Scientists have fiercely debated the existence of ‘Planet 9’ for a decade. Some say evidence is piling up
After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...
World Wildlife Fund8d
Make a pledge for the planet
Sign petitions like WWF’s Pledge for the Planet. Send messages to your elected officials and ask them to make policy choices ...
unep.org12d
World must act faster to protect 30% of the planet by 2030
The international community has made some headway on pledges to protect 30% of the Earth by 2030 but progress must accelerate ...