Oslo, London, Amsterdam lead push for greener transport-study
European cities filled eight of the top 10 spots, along with Tokyo and Seoul, in helping to curb climate change and air pollution
Arctic thaw quickening threatens trillion-dollar costs - report
Arctic's thaw is melting permafrost under buildings from Siberia to Alaska, raising sea levels and disrupting temperatures further south
Trump to set new executive orders on environment, energy this week
"This builds on previous executive actions that have cleared the way for job-creating pipelines, innovations in energy production, and reduced unnecessary burden on energy producers"
March for Science draws big crowds, clever signs across U.S.
March for Science is the latest in a series of national demonstrations that have been staged since Trump's inauguration nearly 100 days ago
U.S. scientists to protest Trump policies at Earth Day rally in Washington
Trump has called climate change a hoax
North Dakota's 'water protectors' bring their pipeline story to film
Environmentalists argue that potential leaks along its length would risk poisoning the water supply for some 17 million Americans
UK set for first coal-power free day in over a century – National Grid
Britain plans to close coal-fired power plants by 2025
Colombia landslide kills at least 17 as rains lash Andes
Recent heavy rains have endangered residents in dozens of provincial towns
Trump's EPA to reconsider oil and gas emissions rule
Environmentalists believe limiting methane is a low-hanging fruit in efforts to curb climate change
INSIGHT-Last stand: Nebraska farmers could derail Keystone XL pipeline
"It's depressing to start again after Obama rejected the pipeline two years ago"