Experts have warned that the world would be hurled into a path of climate disaster after 2020 if greenhouse emissions are not contained.
This first solar-powered car is the most efficient family car that has ever been built.
Rat lungworms infect people in five Florida counties.
So, why are chimpanzees "super strong" compared to humans?
The healing of ozone layer could be delayed because of the threats of some chemicals.
This first "Forest City" will fight air pollution and climate change.
The Arctic subsea permafrost is thawing rapidly than previously thought.
Global sea level rise may be caused by melting glaciers in Greenland.
It may not be too late for corals to recover from bleaching events, but Guam may have worse conditions.
Bright nights are rare, but scientists have finally solved the mystery behind these.
The dead zone in the Gulf of Mexico becomes as massive than before.