The shape of the world is hanging by a thread – or rather, according to experts, by a 110 mile-long (177km) rift.

Remember the date April 26, 2017: it will go down as an important day in the history of solving climate change.

"Climate change isn’t stopping with the second season," said Jon Meyersohn, co-executive producer of the Emmy-award winning National Geographic series "Years of Living Dangerously," on why he hopes the series extends to a third season.

Great leaders protect their nations and their communities by addressing current threats, scanning the horizon for approaching storms and transforming policies as needed.

The decades-long federal program to clean up Chesapeake Bay is showing signs of success and is supported by politicians of both parties.

The abrupt change in direction of a Yukon river because of a rapidly melting glacier has attracted international attention.

Rain poured onto Washington D.C. on Earth Day 2017, yet tens of thousands of people gathered on the National Mall to rally for science and call for scientific integrity in the nation’s decision-making, particularly on climate policy.

Like it has done to all good ideas, consumer culture hijacked Earth Day.

To be clear, I’m not asking "Do we care about climate change?" or "Are we worried about climate change?" or "Would we like to see something done about climate change?"

A team of scientists say a melting glacier in Canada's Yukon has caused a river to completely change course.