Emissions reduction

The RWE Niederaussem lignite-fired power station releases steam, behind two renewable energy producing wind turbines in Bergheim, Germany, Monday, Jan. 13, 2020. Germany plans an entirely coal phase out and to shut down all remaining coal-fired plants by 2038. (AP Photo/Martin Meissner)

FILE - This Dec. 12, 2018, file photo shows traffic on the Hollywood Freeway in Los Angeles. The Trump administration is signaling that it could increase fuel economy standards, possibly compromising on its push to freeze them at 2020 levels. In one of the administration's hardest-fought battles to roll back Obama-era environmental regulations, two federal agencies submitted a final rule on gas mileage and greenhouse gas emissions on Tuesday, Jan. 14, 2020. (AP Photo/Damian Dovarganes, File)

A firefighters backs away from the flames after lighting a controlled burn near Tomerong, Australia, Wednesday, Jan. 8, 2020, in an effort to contain a larger fire nearby. Around 2,300 firefighters in New South Wales state were making the most of relatively benign conditions by frantically consolidating containment lines around more than 110 blazes and patrolling for lightning strikes, state Rural Fire Service Commissioner Shane Fitzsimmons said. (AP Photo/Rick Rycroft)

In this photo provided by the Australian Department of Defence on Jan. 6, 2020, HMAS Adelaide is anchored off Eden and is positioned to assist with wildfires. The wildfires have so far scorched an area twice the size of the U.S. state of Maryland. They have destroyed about 2,000 homes. (Able Seaman Thomas Sawtell/ADF via AP)

In this March 2016 photo provided by The Island Institute, Bigelow Laboratory Research Associate Brittney Honisch measures a piece of sugar kelp before harvest in Casco Bay, Maine. A group of scientists with Bigelow Laboratory for Ocean Sciences and farmers in northern New England are working on a plan to feed seaweed to cows to gauge whether it can help reduce greenhouse gas emissions that contribute to climate change. (Scott Sell/The Island Institute via AP)

A member of the Brazil delegation during the closing plenary at the COP25 summit in Madrid, Sunday Dec. 15, 2019. Negotiators from almost 200 nations planned to gather for a final time at the U.N. climate meeting in Madrid early Sunday to pass declarations calling for greater ambition in cutting planet-heating greenhouse gases and in helping poor countries suffering the effects of climate change. But one of the key issues at the talks, an agreement on international carbon markets, has eluded officials even after the Chilean chair extended Friday's talks deadline to allow more time for negotiations. (AP Photo/Bernat Armangue)