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Home Air pollution

It’s Not Too Late To Stave Off the Climate Crisis, U.N. Report Finds. Here’s How

Planetic Net by Planetic Net
June 5, 2022
in Air pollution, António Guterres, API, Ares, Atmosphere, Car, Carbon dioxide, Celsius, China, Climate and energy, Climate change, Climate crisis, Decade, Design, Electric car, Energy, Expert, Flood, Fossil fuel, Fuel, Getty Images, Goal, Greenhouse gas, Greenhouse gas emissions, Health, Heat, Heat wave, Heavy industry, Human, Image, Infrastructure, Kevin Frayer, Moth, Mother Nature, Natural gas, Nature, Negotiation, Pandemic, Pollution, Port, Public health, Rain, Recycling, Renewable energy, Risk, Shanxi, Soil, Solar energy, Speech, Sponge, Technology, Temperature, Time, Tool, Transport, Trapping, Ukraine, Uncategorized, United States, Wetland, Wind power
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Contents hide
1 #1 – Grow renewable energy. It’s cheap enough
2 #2 – We’ll probably need to suck carbon emissions out of the air
3 #3 – Your decisions matter to slowing climate change

As a crucial near-term step, “substantial reduction” in the use of fossil fuels like coal, oil and natural gas would need to happen, the report finds. By 2050, low-carbon energy like solar and wind power will need to supply the majority of the world’s energy.

Experts say this report, part of a scientific assessment done roughly every seven years by the IPCC, is likely the last to be published while the key goal of limiting warming to 1.5 degrees Celsius is still possible.

The report’s final summary was adopted after marathon negotiations among the 195 member countries of the IPCC. Some countries wanted to see more support for fossil fuel use in developing countries, as well as larger demands on developed nations to reduce emissions. Industrialized nations are the biggest emitters of greenhouse gasses, with the United States being the largest polluter over time.

The report builds on the dire warnings of two others also released in the IPCC’s Sixth Assessment Report. The first documented how heat-trapping emissions from burning fossil fuels were the “unequivocal” cause of rising temperatures. The second, released in late February, showed how billions of people around the globe are at risk of more extreme disasters.

This latest report comes amidst a renewed push for oil and gas drilling, as the war in Ukraine drives a spike in oil prices. Carbon emissions already roared back to their highest levels ever in 2021, rebounding after a decline during the pandemic.

“The truly dangerous radicals are the countries that are increasing the production of fossil fuels,” U.N. Secretary-General António Guterres said in a speech. “Investing in new fossil fuels infrastructure is moral and economic madness.”

#1 – Grow renewable energy. It’s cheap enough

The report lays out what scientists consider to be the most effective steps to reducing emissions fast. The clearest is accelerating the use of renewable energy and cutting fossil fuels. The cost of solar energy has plummeted by 85 percent since 2010, according to the report. Batteries have fallen by the same amount, a key technology for storing solar and wind power so it can be used when it’s dark or the wind isn’t blowing.

That makes low-carbon energy sources more economically viable than fossil fuels in many cases, the report finds. They also improve public health, since renewable energy doesn’t produce air pollution. Still, renewables are not being deployed fast enough, especially in developing countries.

A person wearing a black coat with hood up and fur around the hood walks in the foreground on a snowy street. Houses line one side of the street, with electricity lines crisscrossing the sky. In the background are tall towers releasing white smoke, from coal-fired power plants. The photo was taken in Shanxi, China.Heat-trapping emissions from burning fossil fuels, like these coal-fired power plants in Shanxi, China, have rebounded after dropping during the pandemic. (Kevin Frayer/Getty Images)

In order to limit warming to 1.5 degrees Celsius, the world’s energy supply would need to reach net-zero as soon as 2050, which means if the sector is still producing emissions, those emissions are captured in some way before reaching the atmosphere. That’s because other areas, like heavy industry and transportation, would likely take longer to fully cut their emissions.

Continuing the world’s existing fossil fuel energy projects at their current pace, as well as developing new ones, puts the energy sector nowhere near that necessary trajectory. The emissions from fossil fuel use would be almost double the amount needed to keep warming to 1.5 degrees Celsius. And as renewable energy grows, trillions of dollars of fossil fuel infrastructure risks becoming “stranded”, or worthless, as governments shift to cleaner energy sources.

“The sobering conclusion is that, although we have all the tools we need, emissions would need to decrease immediately and at a much larger scale than they have been,” Stephanie Roe, one of the lead authors of the IPCC report and Global Climate and Energy Lead Scientist at the World Wildlife Fund.

#2 – We’ll probably need to suck carbon emissions out of the air

Even if the world rapidly transforms where its energy comes from, some aspects of modern life will take longer to shift from fossil fuel use, like airplanes, shipping and heavy industry. Gas-powered cars being bought today will also remain on the road for potentially decades.

New technology could eventually transition those industries and vehicles away from fossil fuels. But the delay means that to avoid extreme warming, countries and companies will likely have to remove some of the carbon dioxide emissions that are already in the atmosphere, the report finds.

The most tried and tested method uses Mother Nature. Plants and soils are carbon sponges. So restoring forests and wetlands can help soak up emissions, providing a relatively low cost way of making up for emissions from other sources.

The report also points to more cutting-edge approaches, like using technology to suck carbon emissions directly from the air. That process could potentially use large amounts of energy, which would negate its climate usefulness. Some climate activists also worry it could amount to a free pass for the fossil fuel industry to keep operating and pumping out greenhouse gas emissions. The technology has a long way to go before it could make a large impact on the atmosphere, the report concludes.

#3 – Your decisions matter to slowing climate change

Changing the way humans work, live and eat in cities and buildings can have a major impact on reducing emissions, as much as 40 to 70 percent in some of those sectors, the report finds.

The report is not just talking about recycling. Redesigning and zoning cities so people live closer to where they work and can walk and bike could reduce transportation emissions by as much as a third, the report says. Electric cars that are charged with renewable energy from the grid would reduce fossil fuel use. Making buildings more energy efficient and using renewable energy like solar has a decades-long impact.

With many cities around the world still growing and urbanizing, building in a sustainable way is especially important in developing countries, the report finds. Cities are vulnerable to flooding and air pollution, as well as extreme heat waves made worse by the way pavement absorbs heat.

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