"Forty-nine mushers and their teams of huskies trotted through Alaska's largest city on Saturday to start the 50th annual running of the Iditarod Trail Sled Dog Race, an event transformed by climate change and commercialism since its humble beginnings."

"The U.S. Postal Service finalized plans Wednesday to purchase up to 148,000 gasoline-powered mail delivery trucks, defying Biden administration officials’ objections that the multibillion-dollar contract would undercut the nation’s climate goals."

"For years, Europe’s dependence on Russian energy has held it back from taking powerful action against Kremlin mischief. But now, the Russia-Ukraine crisis is forcing a change unlike any before, driving the European Union to make plans for a permanent, far-reaching break from Russian oil and gas, European policymakers said."

"A new initiative aims to reduce emissions from steel, cement, aluminum and other materials used in the industrial sector, which generates about a third of the nation’s greenhouse gases."

"WASHINGTON — The Biden administration on Tuesday will set out a strategy for buying “clean,” lower-emissions steel, cement, aluminum and other industrial materials for federal agencies and projects, part of its effort to reduce carbon emissions from industrial manufacturing.

"Eager to show benefits from his policies, President Joe Biden is overstating the number of electric vehicle charging stations that would be built with his infrastructure law and claiming a speedy shift to electric in the federal fleet that isn’t so."

"The Biden administration is restoring the state’s power to set its own limits on tailpipe pollution and is largely adopting the state’s rules regarding heavy trucks."

"As more families have considered biking to school during the pandemic, they’ve turned to group bike commutes to make their journeys safer — and more visible."

"Just outside of Los Angeles, in one of the most human-modified parts of the planet, a rare coastal ecosystem is being pinched against the Pacific Coast. The mountain range is home to one of the highest concentrations of threatened and endangered species in the country."