After record-breaking fires hit Australia, an emergency call went out: Injured koalas need mittens to protect their burned paws! Don't dig out the sewing machine just yet.
China continues to lead the world in green investment.
Michael Grimm was one of a precious few Republican politicians who actually accepted the science of climate change.
The Japan Meteorological Agency released data confirming that 2014 was the hottest year globally since record-keeping began.
A year of extreme weather, climate denial, and some hope.
But climate change could disrupt their spectacular annual migration.
Climate supervillain Australia just pulled a Magneto.
Under pressure to get a publishing giant into the iconic tower, the site's developers may have sacrificed a core part of its green plans.
The world's top emitter is pledging to cap coal use starting in 2020.