Climate change has not stopped for COVID19. Greenhouse gas concentrations in the atmosphere are at record levels and continue to increase. Emissions are heading in the direction of pre-pandemic levels following a temporary decline caused by the lockdown and economic slowdown. The world is set to see its warmest five years on record – in a trend which is likely to continue – and is not on track to meet agreed targets to keep global temperature increase well below 2 °C or at 1.5 °C above pre-industrial levels.
This is according to a new multi-agency report from leading science organizations, United in Science 2020. It highlights the increasing and irreversible impacts of climate change, which affects glaciers, oceans, nature, economies and human living conditions and is often felt through water-related hazards like drought or flooding. It also documents how COVID-19 has impeded our ability to monitor these changes through the global observing system.
“This has been an unprecedented year for people and planet. The COVID-19 pandemic has disrupted lives worldwide. At the same time, the heating of our planet and climate disruption has continued apace,” said UN Secretary-General António Guterres in a foreword.
“Never before has it been so clear that we need long-term, inclusive, clean transitions to tackle the climate crisis and achieve sustainable development. We must turn the recovery from the pandemic into a real opportunity to build a better future,” said Mr Guterres, who will present the report on 9 September. “We need science, solidarity and solutions.”
The United in Science 2020 report, the second in a series, is coordinated by the World Meteorological Organization (WMO), with input from the Global Carbon Project, the Intergovernmental Panel on Climate Change, the Intergovernmental Oceanographic Commission of UNESCO, the UN Environment Programme and the UK Met Office. It presents the very latest scientific data and findings related to climate change to inform global policy and action.
“Greenhouse gas concentrations – which are already at their highest levels in 3 million years – have continued to rise. Meanwhile, large swathes of Siberia have seen a prolonged and remarkable heatwave during the first half of 2020, which would have been very unlikely without anthropogenic climate change. And now 2016–2020 is set to be the warmest five-year period on record. This report shows that whilst many aspects of our lives have been disrupted in 2020, climate change has continued unabated,” said WMO Secretary-General, Professor Petteri Taalas.
Greenhouse Gas Concentrations in the Atmosphere (World Meteorological Organization)
Atmospheric CO2 concentrations showed no signs of peaking and have continued to increase to new records. Benchmark stations in the WMO Global Atmosphere Watch (GAW) network reported CO2 concentrations above 410 parts per million (ppm) during the first half of 2020, with Mauna Loa (Hawaii) and Cape Grim (Tasmania) at 414.38 ppm and 410.04 ppm, respectively, in July 2020, up from 411.74 ppm and 407.83 ppm in July 2019.
Reductions in emissions of CO2 in 2020 will only slightly impact the rate of increase in the atmospheric concentrations, which are the result of past and current emissions, as well as the very long lifetime of CO2. Sustained reductions in emissions to net zero are necessary to stabilize climate change.
Global Fossil CO2emissions (Global Carbon Project)
CO2 emissions in 2020 will fall by an estimated 4% to 7% in 2020 due to COVID-19 confinement policies. The exact decline will depend on the continued trajectory of the pandemic and government responses to address it.
During peak lockdown in early April 2020, the daily global fossil CO2 emissions dropped by an unprecedented 17% compared to 2019. Even so, emissions were still equivalent to 2006 levels, highlighting both the steep growth over the past 15 years and the continued dependence on fossil sources for energy.
By early June 2020, global daily fossil CO2 emissions had mostly returned to within 5% (1%–8% range) below 2019 levels, which reached a new record of 36.7 Gigatonnes (Gt) last year, 2% higher than at the start of climate change negotiations in 1990.
Global methane emissions from human activities have continued to increase over the past decade. Current emissions of both CO2 and methane are not compatible with emissions pathways consistent with the targets of the Paris Agreement.
Emissions Gap (UN Environment Programme)
Transformational action can no longer be postponed if the Paris Agreement targets are to be met.
The Emissions Gap Report 2019 showed that the cuts in global emissions required per year from 2020 to 2030 are close to 3% for a 2 °C target and more than 7% per year on average for the 1.5 °C goal of the Paris Agreement.
The Emissions Gap in 2030 is estimated at 12-15 Gigatonnes (Gt) CO2e to limit global warming to below 2 °C. For the 1.5 ° C goal, the gap is estimated at 29-32 Gt CO2e, roughly equivalent to the combined emissions of the six largest emitters.
It is still possible to bridge the emissions gap, but this will require urgent and concerted action by all countries and across all sectors. A substantial part of the short-term potential can be realized through scaling up existing, well-proven policies, for instance on renewables and energy efficiency, low carbon transportation means and a phase out of coal.
Looking beyond the 2030 timeframe, new technological solutions and gradual change in consumption patterns are needed at all levels. Both technically and economically feasible solutions already exist.
State of Global Climate (WMO and UK’s Met Office)
The average global temperature for 2016–2020 is expected to be the warmest on record, about 1.1 °C above 1850-1900, a reference period for temperature change since pre-industrial times and 0.24°C warmer than the global average temperature for 2011-2015.
In the five-year period 2020–2024, the chance of at least one year exceeding 1.5 °C above pre-industrial levels is 24%, with a very small chance (3%) of the five-year mean exceeding this level. It is likely (~70% chance) that one or more months during the next five years will be at least 1.5 °C warmer than pre-industrial levels.
In every year between 2016 and 2020, Arctic sea ice extent has been below average. 2016–2019 recorded a greater glacier mass loss than all other past five-year periods since 1950. The rate of global mean sea-level rise increased between 2011–2015 and 2016–2020.
Major impacts have been caused by extreme weather and climate events. A clear fingerprint of human-induced climate change has been identified on many of these extreme events.
The Ocean and Cryosphere in a Changing Climate (Intergovernmental Panel on Climate Change)
Human-induced climate change is affecting life-sustaining systems, from the top of the mountains to the depths of the oceans, leading to accelerating sea-level rise, with cascading effects for ecosystems and human security.
This increasingly challenges adaptation and integrated risk management responses.
Ice sheets and glaciers worldwide have lost mass. Between 1979 and 2018, Arctic sea-ice extent has decreased for all months of the year. Increasing wildfire and abrupt permafrost thaw, as well as changes in Arctic and mountain hydrology, have altered the frequency and intensity of ecosystem disturbances.
The global ocean has warmed unabated since 1970 and has taken up more than 90% of the excess heat in the climate system. Since 1993 the rate of ocean warming, and thus heat uptake has more than doubled. Marine heatwaves have doubled in frequency and have become longer-lasting, more intense and more extensive, resulting in large-scale coral bleaching events. The ocean has absorbed between 20% to 30% of total anthropogenic CO2 emissions since the 1980s causing further ocean acidification.
Since about 1950 many marine species have undergone shifts in geographical range and seasonal activities in response to ocean warming, sea-ice change and oxygen loss.
Global mean sea-level is rising, with acceleration in recent decades due to increasing rates of ice loss from the Greenland and Antarctic ice sheets, as well as continued glacier mass loss and ocean thermal expansion. The rate of global mean sea-level rise for 2006–2015 of 3.6 ±0.5 mm/yr is unprecedented over the last century
Climate and Water Resources (WMO)
Climate change impacts are most felt through changing hydrological conditions including changes in snow and ice dynamics.
By 2050, the number of people at risk of floods will increase from its current level of 1.2 billion to 1.6 billion. In the early to mid-2010s, 1.9 billion people, or 27% of the global population, lived in potential severely water-scarce areas. In 2050, this number will increase to 2.7 to 3.2 billion people.
As of 2019, 12% of the world population drinks water from unimproved and unsafe sources. More than 30% of the world population, or 2.4 billion people, live without any form of sanitation.
Climate change is projected to increase the number of water-stressed regions and exacerbate shortages in already water-stressed regions.
The cryosphere is an important source of freshwater in mountains and their downstream regions. There is high confidence that annual runoff from glaciers will reach peak globally at the latest by the end of the 21st century. After that, glacier runoff is projected to decline globally with implications for water storage.
It is estimated that Central Europe and Caucasus have reached peak water now, and that the Tibetan Plateau region will reach peak water between 2030 and 2050. As runoff from snow cover, permafrost and glaciers in this region provides up to 45% of the total river flow, the flow decrease would affect water availability for 1.7 billion people.
Earth System Observations during COVID-19 (Intergovernmental Oceanographic Commission of UNESCO and WMO)
The COVID-19 pandemic has produced significant impacts on the global observing systems, which in turn have affected the quality of forecasts and other weather, climate and ocean-related services.
The reduction of aircraft-based observations by an average of 75% to 80% in March and April degraded the forecast skills of weather models. Since June, there has been only a slight recovery. Observations at manually operated weather stations, especially in Africa and South America, have also been badly disrupted.
For hydrological observations like river discharge, the situation is similar to that of atmospheric in situ measurements. Automated systems continue to deliver data whereas gauging stations that depend on manual reading are affected.
In March 2020, nearly all oceanographic research vessels were recalled to home ports. Commercial ships have been unable to contribute vital ocean and weather observations, and ocean buoys and other systems could not be maintained. Four full-depth ocean surveys of variables such as carbon, temperature, salinity, and water alkalinity, completed only once per decade, have been cancelled. Surface carbon measurements from ships, which tell us about the evolution of greenhouse gases, also effectively ceased.
The impacts on climate change monitoring are long-term. They are likely to prevent or restrict measurement campaigns for the mass balance of glaciers or the thickness of permafrost, usually conducted at the end of the thawing period. The overall disruption of observations will introduce gaps in the historical time series of Essential Climate Variables needed to monitor climate variability and change and associated impacts.
UNEP West Asia launches the State of Food Waste Report
Improved awareness, appropriate policies and a strong regulatory framework are needed to reduce food waste in West Asia, according to a new report, The State of Food Waste in West Asia, released by the UN Environment Programme’s Regional Office for West Asia.
The report, conducted in 12 countries in the region, sets out a comprehensive view of the current situation across the region, in which around 34% of the food served is wasted, with an estimation ranging from 100 to 150kg/cap of food waste occurring at the household stage, similar to levels in Western Europe and North America.
Countries in the region have unique cultural habits generating significant amounts of food waste over short periods. For instance, during the month of Ramadan, research shows that between 25% and 50% of the food prepared is wasted. The report also elaborates on the outcomes of a survey to assess the attitudes and behaviours that determine food waste in the region.
Collecting data on national food loss and food waste is key to understanding the scale of the problem, target hotspots, and assess policy actions. The report flagged that several countries in the region need consistent support in setting food waste baselines: only the Kingdom of Saudi Arabia has conducted a national food loss and waste baseline led by the Saudi Grains Organisation in 2019.
“This report is aligned with international efforts to meet Sustainable Development Goal 12 (SDG 12), which seeks to ensure sustainable consumption and production patterns. Target 12.3 calls for halving per capita global food waste at the retail and consumer level. Given the considerable amount of wasted food annually and its repercussions on food security, the environment, the economy, natural resources and livelihoods, our report sheds light on food waste in West Asia,” said Sami Dimassi, Regional Director and Representative for UNEP in West Asia.
“Our regional office is committed to supporting countries in filling the gaps and scaling up initiatives that have been successfully implemented at the local level through a regional programme soon to be discussed with all the countries in the region,” he added.
The Food Waste report also highlights the potential of promoting sustainable lifestyles and empowering youth to positively impact at consumer level, raising awareness on the consequences on the environment, economy, and food security, as well as of promoting gender inclusive strategies across the food value chain.
No pathway to reach the Paris Agreement’s 1.5˚C goal without the G20
“The world urgently needs a clear and unambiguous commitment to the 1.5 degree goal of the Paris Agreement from all G20 nations”, António Guterres said on Sunday after the Group failed to agree on the wording of key climate change commitments during their recent Ministerial Meeting on Environment, Climate and Energy.
“There is no pathway to this goal without the leadership of the G20. This signal is desperately needed by the billions of people already on the frontlines of the climate crisis and by markets, investors and industry who require certainty that a net zero climate resilient future is inevitable”, the Secretary General urged in a statement.
The UN chief reminded that science indicates that to meet that ‘ambitious, yet achievable goal’, the world must achieve carbon neutrality before 2050 and cut dangerous greenhouse gas emissions by 45 % by 2030 from 2010 levels. “But we are way off track”, he warned.
The world needs the G20 to deliver
With less than 100 days left before the 2021 United Nations Climate Conference COP 26, a pivotal meeting that will be held in Glasgow at the end of October, António Guterres urged all G20 and other leaders to commit to net zero by mid-century, present more ambitious 2030 national climate plans and deliver on concrete policies and actions aligned with a net zero future.
These include no new coal after 2021, phasing out fossil fuel subsidies and agreeing to a minimum international carbon pricing floor as proposed by the International Monetary Fund (IMF).
“The G7 and other developed countries must also deliver on a credible solidarity package of support for developing countries including meeting the US$100 billion goal, increasing adaptation and resilience support to at least 50% of total climate finance and getting public and multilateral development banks to significantly align their climate portfolios to meet the needs of developing countries”, he highlighted.
The UN Chief informed that he intends to use the opportunity of the upcoming UN General Assembly high-level session to bring leaders together to reach a political understanding on these critical elements of the ‘package’ needed for Glasgow.
A setback for Glasgow
The G20 ministers, which met in Naples, Italy on July 23-25, couldn’t agree to a common language on two disputed issues related to phasing out coal and the 1.5-degree goal, which now will have to be discussed at the G20 summit in Rome in October, just one day before the COP 26 starts.
Western Indian Ocean region has declared 550,000 square kilometers as protected
The Western Indian Ocean region has declared 143* marine and coastal areas as protected – an area covering 553,163 square kilometers, representing 7 percent of the total Exclusive Economic Zone (EEZ) for the region – according to a new publication by the UN Environment Programme (UNEP)-Nairobi Convention and the Western Indian Ocean Marine Science Association.
The Marine Protected Areas Outlook, released today, indicates that almost half of the total area – an estimated 63 percent of the overall square kilometers – was brought under protection in the seven years since the 2015 adoption of Sustainable Development Goal 14.5, which committed countries to conserving at least 10 percent of their marine and coastal areas by 2020.
This Outlook examines the current and future status of Marine Protected Areas (MPAs) in Comoros, Kenya, France (in its Western Indian Ocean territories), Madagascar, Mauritius, Mozambique, Seychelles, South Africa, and Tanzania, emphasizing the increased commitment of countries to strengthen marine protection. In 2019 alone, Seychelles brought 30 percent of its Exclusive Economic Zone under protection, safeguarding the habitats of 2,600 species, while South Africa declared 20 new MPAs – enabling both countries to exceed the 10 percent target. Comoros has developed new MPA-specific legislation, while over three hundred Locally Managed Marine Areas – i.e., areas in which coastal communities shoulder the mantle of conservation – have been declared across the region.
The publication further documents the dozens of proposed MPAs currently under consideration by countries, which would cover an additional 50,000 square kilometers or more. Nevertheless, with only 7 percent of the region’s total EEZ under protection, greater momentum and investments will be required by countries to reach the more ambitious target of 30 percent protection by 2030, as proposed under the Global Biodiversity Framework.
Although the ocean provides us with resources essential for survival, including food, employment, and even oxygen, the world is damaging and depleting it faster than ever. Soon, the region may no longer be able to count on the many jobs, health, and economic benefits – valued at 20.8 billion USD – that the Western Indian Ocean provides. Marine protected areas offer one of the best options to reverse these trends.
“A well-managed MPA can bring significant economic, social, and environmental benefits to a country,” said Yamkela Mngxe, Acting Director of Integrated Projects and International Coordination in South Africa’s Department of Forestry, Fisheries and the Environment. “They can increase food security by preventing the overexploitation of fish stocks; create and protect jobs in the tourism and fisheries sectors; build resilience to climate change; and protect species and habitats.”
Though countries in the region have made significant strides in protecting its marine and coastal areas, the Outlook outlines best practices, challenges, and several opportunities to build on thisprogressto ensure the entire region meets future Global Biodiversity Framework targets on marine protected areas. The Outlook’s assessment of the management effectiveness of MPAs indicates that MPA frameworks and institutions do not always function effectively. Nor is relevant legislation consistently implemented, due to financial or personnel capacity gaps; weak enforcement on MPA boundaries; and management decisions that are not guided by science.
Key recommendations from the Outlook therefore include:
- The need for dedicated budgets for MPA management;
- Adopting proactive law enforcement and compliance strategies to ensure MPA regulations and guidelines are being respected which could be informed by the best practices in fishery reserves like Mauritius, which have helped to restore fish stocks and protect biodiversity;
- Incorporating research and monitoring programmes on biodiversity and ecosystems into decision-making in MPAs;
- Strengthening community engagement in marine protection by implementing lessons learned by the MIHARI Network, which brings together more than 200 Locally Managed Marine Areas in Madagascar.
“The MPA Outlook comes at a time when the region has embarked on large-scale socio-economic developments that are equally exerting pressure on MPAs,” said Hon. Flavien Joubert,Minister of Agriculture, Climate Change, and Environment of the Seychelles. “The Outlook thus provides some answers and innovative approaches to minimize the scale of negative impacts on MPAs.”
The MPA Outlook concludes that by seizing the opportunities it presents, countries in the region can capitalize on this progress to safeguard the Western Indian Ocean’s immense natural beauty and resources for generations to come – and sustain momentum towards achievement of the post 2020 biodiversity framework targets.
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