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Seven things you should know about household air pollution

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Every year, nearly 4 million people die prematurely from indoor air pollution. Many succumb to diseases linked to inhaling smoke from kerosene, wood and charcoal fires, which are commonly used in the developing world for cooking and heating.

To help raise awareness about indoor air pollution, the United Nations launched last year the International Day of Clean Air for blue skies. With this year’s event just around the corner, here are seven things you should know about household air pollutants.

1. They are terrible for human health

Tens of millions of people become sick, injured, or burnt from using fuel in their living spaces. Household air pollution causes stroke, heart disease, lung cancer and other deadly ailments.

The burning of unclean fuels, like coal, releases large quantities of dangerous pollutants, including carbon monoxide, nitrogen oxides, and fine particulate matter (PM).  In households with open burning and unvented solid fuel stoves, particles smaller than 2.5 micrometres in diameter (PM2.5) can exceed WHO-recommended levels by up to 100 times.

And the impact of indoor air pollution extends beyond the home, contributing to almost 500,000 of the premature deaths attributed to outdoor air pollution every year.

2. Dirty household fuels are disastrous for the environment

Household combustion is the second-largest contributor to climate change after carbon dioxide and a major component of particulate matter. It also produces an estimated quarter of all black carbon, or soot emissions, which, according to the World Health Organization, have a per-unit warming capacity 460 – 1,500 times greater than that of carbon dioxide.

When they interact with outdoor air pollutants, household combustion emissions contribute to the formation of ground level ozone – a short-lived climate pollutant that decreases crop yields and affects local weather patterns.

3. Affordable, reliable energy can help reduce indoor air pollution

Sustainable Development Goal (SDG) 7 envisages “access to affordable, reliable and modern energy for all by 2030.” The global adoption of clean household energy – including low-emission stoves, heating and lighting – could save millions of lives.

It would also help to reduce biodiversity loss caused by using wood for fuel, decelerate forest degradation, reduce carbon dioxideemissions from biomass, and lower emissions of black carbon, methane and carbon monoxide. In fact, since black carbon particles only remain in the air for a week or less (versus carbon dioxide, which can remain for more than a century) reducing their emission is an important way to decelerate climate change in the near-term.

To date, however, there remains a dearth of access to affordable, clean energy options.

4. Household air pollution entrenches poverty and inequality

In more than 155 countries, a healthy environment is recognized as a constitutional right. Obligations related to clean air are implicit in the Universal Declaration of Human Rights and the International Covenant on Economic, Social and Cultural Rights. The 2030 Agenda is based on the premise that no one should be left behind.

Nonetheless, there are still 3 billion people using unsafe fuels in their homes; and they are typically among the world’s poorest.

Access to clean cooking fuels and technologies is increasing by just 1 per cent a year.

5. Women and girls suffer most from indoor air pollution

Those who spend more time indoors, including women and children, are disproportionately affected by household air pollution. Women and girls are particularly vulnerable to kerosene cooking and lighting explosions. And close to half of all pneumonia deaths among children under five are a consequence of the soot they inhale at home.

Those who rely on unclean fuels are both the most vulnerable to noncommunicable diseases and the least able to cover the costs of sickness, associated healthcare costs, and lost work hours.

Exposure to pollutants can also affect the brain, causing developmental delays, behavioural problems, and even lower IQ in children.

According to one World Health Organization analysis, girls in households that rely on unclean fuels lose 15 to 30 hours each week gathering wood or water – meaning that they are disadvantaged both in comparison to households that have access to clean fuels, as well as their male counterparts.

6. Countries can cut pollution-related deaths through investments and legislation

Household air pollution can be reduced by phasing out the use of unprocessed coal and kerosene in homes; adopting cleaner fuels, like biogas, ethanol and liquified petroleum gas; moving toward renewable energy sources wherever possible; developing safe, efficient household technologies; and ensuring proper ventilation.

Increasing access to clean household fuels and technology is an effective way to reduce poverty, sickness and death, particularly in developing countries and among vulnerable groups. The uptake of clean household fuels and new technology can also slow forest degradation and loss of habitat while combating climate change.

7. The United Nations Environment Programme (UNEP)  is devoted to reducing air pollution

The UNEP-hosted  Climate and Clean Air Coalition prioritizes the adoption of clean household fuels and technologies as a way to mitigate short-lived climate pollutants, improve air quality, and realize environmental, social and economic benefits.

The coalition’s Household Energy Initiative raises awareness about the relationship between climate change; advocates for donor support to clean, low-energy cooking, heating, and lighting activities; and promotes solutions that reduce black carbon and other emissions.

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Environment

More Than 2.5 Billion Trees to be Conserved, Restored, and Grown by 2030

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Companies from across sectors are working to support healthy and resilient forests through the World Economic Forum’s 1t.org trillion tree platform. With the launch of 1t.org’s global pledge process this September, over 20 companies have pledged to conserve, restore and grow more than 2.5 billion trees in over 50 countries by 2030.

The trillion trees goal does not replace net-zero emission programmes – business and industries still need to decarbonize to meet our climate targets. 1t.org was launched to support the growing momentum around nature-based solutions, to mobilize the global restoration community and to empower anyone who wants to play a part. The community shares best practices, promotes responsible forestry practices, and scales solutions to have global impact.

Nicole Schwab, Co-Director, Platform to Accelerate Nature-Based Solutions, World Economic Forum said: “We are at a tipping point. It is our collective responsibility to leave behind a planet that is habitable for future generations. The private sector has a key role to play in bringing their expertise to the table and investing in natural climate solutions, such as restoration. It is encouraging to see more and more companies embracing this needed transition towards net-zero, nature-positive business models.”

The initial wave of companies making global pledges to 1t.org include: Amazon, APRIL Group, AstraZeneca, Brambles, Capgemini, Clif Bar, Daterra Coffee, Eni, HP Inc., Iberdrola, Mastercard, Nestle, PepsiCo, Salesforce, SAP, Shell, Suzano, Teck Resources Ltd., tentree, Travelers, Unilever, UPS, VMware, and Zurich Insurance Group. Their pledges can be viewed here as of Thursday 23 September at 16:15 CEST.

“Pledging to 1t.org was a natural fit for UPS,” said Nikki Clifton, president of social impact and The UPS Foundation. “UPS’s commitment to plant more than 50 million trees by 2030, in alignment with the United Nations Sustainable Development Goals, is promoting global equity and well-being for underserved communities in cities and developing countries worldwide. It’s another example of UPS’s 543,000 employees moving our world forward by delivering what matters.”

Companies also work collaboratively through the 1t.org Corporate Alliance to drive impact by committing to leadership, action, integrity, transparency and learning. The alliance allows companies to jointly tackle common challenges and connects companies with 1t.org’s community of innovators, partners and regional chapters.

“1t.org Corporate Alliance discussions have given us valuable insights into how other companies are devising and managing their own restoration and conservation projects. The platform provides a great space for mutual learning and ideas,” said Craig Tribolet, Head of Sustainability Operations, APRIL Group. “1t.org also allows us to share updates on our own journey to champion thriving landscapes, as part of our production-protection approach, and on the progress we have made against our long-term sustainability commitments,” he said.

How Trees Can Play Their Part

Healthy and resilient trees and forests are one part of the efforts needed to combat climate change. Studies have shown trees can reduce urban heat island effects by up to 5°C and energy costs by $7.8 billion a year. Globally, sustainable management of forests could create $230 billion in business opportunities and 16 million jobs worldwide by 2030. From a health perspective, trees absorb 17.4 million tons of air pollutants a year, helping to prevent 670,000 cases of asthma and other acute respiratory symptoms annually. The chance of extreme wildfires occurring also decreases dramatically when forests are managed properly by, for example, growing specially-selected tree species in burned areas and using novel planting techniques for resilience to future wildfires. 

1t.org encourages all corporations that have set a Paris Agreement-aligned emissions reduction target to get in touch and submit a pledge.

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Paris climate deal could go up in smoke without action

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Unless wealthy nations commit to tackling emissions now, the world is on a “catastrophic pathway” to 2.7-degrees of heating by the end of the century, UN Secretary General António Guterres warned on Friday.

This is far beyond the one to 1.5 degree Celsius threshold, agreed by the international community as part of the 2015 Paris Agreement.

The UN chief’s remarks came after the UN’s climate agency (UNFCCC) published an update on national climate action plans (officially known as Nationally Determined Contributions or NDCs) submitted by the 191 countries which signed Agreement.

The report indicates that while there is a clear trend that greenhouse gas emissions are being reduced over time, nations must urgently redouble their climate efforts if they are to prevent disastrous global heating in the future.

Not enough

The document includes updates to the NDCs of 113 countries that represent around 49% of global emissions, including the nations of the European Union and the United States.

Those countries overall expect their greenhouse gas emissions to decrease by 12% in 2030 compared to 2010. “This is an important step,” the report points out, but insufficient, as highlighted by Mr. Guterres at Friday’s Forum of Major Economies on Energy and Climate, hosted by the President of the United States, Joe Biden

“We need a 45 per cent cut in emissions by 2030, to reach carbon neutrality by mid-century…It is clear that everyone must assume their responsibilities”, he emphasized.

70 countries indicated their embrace of carbon neutrality goals by around the middle of the century. If this materializes, it could lead to even greater emissions reductions, of about 26% by 2030, compared to 2010, the report explains.

Code Red

However, with national plans staying the way they are right now for all 191 countries, average global emissions in 2030 compared to 2010, instead of decreasing, will increase by around 16%.

According to the latest IPCC findings, that would mean that unless climate action is taken immediately, it may lead to a temperature rise of about 2.7C, by the end of this century.

“The recent report of the Intergovernmental Panel on Climate Change (IPCC) was a code red for humanity. But it also made clear that it is not too late to meet the Paris Agreement 1.5-degree target. We have the tools to achieve this target. But we are rapidly running out of time”, the UN chief highlighted.

The challenge

The Secretary General highlighted a particular challenge: energy still obtained from coal. “If all planned coal power plants become operational, we will not only be clearly above 1.5 degrees – we will be well above 2 degrees. The Paris targets would go up in smoke”.

Mr. Guterres urged the creation of “coalitions of solidarity” between countries that still depend heavily on coal, and countries that have the financial and technical resources to support transitions to cleaner energy sources.

Without pledges and financial commitments from industrialised nations to make this happen, “there is a high risk of failure of COP26”, Mr. Guterres continued, referring to the pivotal UN Climate summit in Glasgow in six weeks’ time.

“G20 nations account for 80% of global emissions. Their leadership is needed more than ever. The decisions they take now will determine whether the promise made at Paris is kept or broken”, he warned.

There’s still time

Patricia Espinosa, Executive Secretary of UN Climate Change, clarified during a press conference that countries can submit or update their national plans “at any time”, including in the run-up to COP26.

The agency highlighted some good news. The new or updated plans included in the report, show a marked improvement in the quality of information presented, for both mitigation and adaptation, and tend to be aligned with broader long-term, low-emission development goals, the achievement of carbon neutrality, national legislative/regulatory/planning processes, and other international frameworks such as Sustainable Development Goals (SDGs).

The UN chief was clear that by COP26, all nations should submit more ambitions plans that help to place the world on a 1.5-degree pathway.

“We also need developed nations to finally deliver on the US100 billion commitment promised over a decade ago in support to developing countries. The Climate Finance report published today by the Organisation for Economic Co-operation and Development (OECD) shows that this goal has not been reached either”.

A sizeable number of national climate plans from developing countries, which define targets and actions to reduce emissions, contain conditional commitments which can only be implemented with access to enhanced financial resources and other support.

Stop ignoring science

For Mr. Guterres, the fight against climate change will only succeed if everyone comes together to promote more ambition, more cooperation and more credibility.

No more ignoring science. No more ignoring the demands of people everywhere. It is time for leaders to stand and deliver, or people in all countries will pay a tragic price”.

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Act now to slow climate change and protect the planet

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The ozone layer – a fragile shield of gas that protects the Earth from the harmful rays of the sun – is “on the road to recovery”, the UN chief said on Thursday in his message for the World Ozone Day.

Crediting the Montreal Protocol, which “began life as a mechanism to protect and heal the ozone layer”, Secretary-General António Guterres said that over the course of three decades, “it has done its job well”.

The multilateral treaty to phase out ozone-depleting substances has, by healing the hole in the ozone layer, protected human health, economies and ecosystems.

“The cooperation we have seen under the Montreal Protocol is exactly what is needed now to take on climate change, an equally existential threat to our societies”, he said.

Until the protocol, old equipment such as building insulation foam, fridge-freezers and other cooling systems, were manufactured using ozone-destroying chlorofluorocarbons, or CFCs, which leaked the damaging gas into the atmosphere as equipment deteriorated.

Other critical services

This year’s World Ozone Day highlights that the landmark environmental agreement also slows down climate change and helps to boost energy efficiency for cooling products such as freezers, which then also contributes to food security.

“The Montreal Protocol is more than just an example of how multilateralism can and should work, it is an active tool to help meet our global vision for sustainable development”, said the UN chief.

And under the Kigali Amendment to the Protocol, nations have committed to phase down hydrofluorocarbons (HFCs), powerful greenhouse gases used as coolants, which are less harmful than CFCs as they contain hydrogen, but are nonetheless still an ozone risk.

When fully implemented, the Kigali Amendment could prevent 0.4 degrees Celsius of global warming this century.

“Furthermore, as we prepare for the Food Systems Summit this month, we are reminded that the Kigali Amendment can also help us to increase food security”, flagged Mr. Guterres, explaining that by reducing HFCs, increasing energy efficiency and creating more ozone and climate-friendly technologies, “the Kigali Amendment can bring sustainable access to vital cooling services to millions of people”.

These services would reduce food loss in developing countries, where it often spoils before reaching markets.

Getting produce from farmers to where it is needed would, in turn, help reduce hunger, poverty and the environmental impact of the agricultural sector.

Another important benefit of expanding access to safe cooling systems, is to store medicines and vaccines, including those needed to end the COVID-19 pandemic.

The Montreal Protocol and the Kigali Amendment show us that by acting together, anything is possible”, said the UN chief. “So let us act now to slow climate change, feed the world’s hungry and protect the planet that we all depend on”.

Work continues

Although the Montreal Protocol marked “a critical turning point”, it was not a one-time fix, according to the UN Environment Programme (UNEP).

The work continues, with scientists still providing the first line of defence.

UNEP leads a joint effort of over 100 governments, businesses and development organizations that supports countries and industry in tackling growing cooling demand, while contributing to the Paris Agreement, Montreal Protocol and Agenda 2030 called the Cool Coalition.

Together with its partners, the Coalition fosters advocacy, knowledge and action to accelerate the global transition to efficient and climate-friendly cooling. 

In 1994, through resolution 49/114, the General Assembly proclaimed 16 September as the International Day, commemorating the signing of the Montreal Protocol in 1987.

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