DiCaprio narrates "Ice on Fire," which highlights never-before-seen solutions to our climate crisis.
The composition of the world's plankton has changed significantly since before the Industrial Revolution, with zooplankton communities shifting poleward by an average 374 miles as a result of warming ocean temperatures.
Congratulations to Washington, D.C., where 98% of people now live at most a 10-minute walk from green space.
A new study suggests that nudges, small tweaks to help us make smarter decisions, risk being seen as substitutes for larger, more effective policies.
Justin Trudeau and the Liberal party's action plan on climate change has brought one former British Columbia politician out of retirement and back into the arena.
Environmentalists and beekeepers have pushed for action for years.
Amazon is already doing a lot to reduce its carbon footprint - but employees say it's not enough.
"What we found is that the childhood experience of green space can actually predict mental health in later life."
New cases of asthma dropped dramatically in Los Angeles communities where air quality improved the most over 20 years. The results illustrate health benefits from pollution control.
An NBC Bay Area Investigation reveals the approval process to build a private school in Silicon Valley right next to a concrete plant was the result of an unfortunate chain of events, that included inaccurate permit applications and other bureaucratic blunders.