Satellite study finds major shifts in global freshwater

A new global, satellite-based study of Earth's freshwater distribution found that Earth's wet areas are getting wetter, while dry areas are getting drier. The data suggest that this pattern is due to a variety of factors, ...

The environmental footprint of the egg industry

In recent years, egg production has been in the spotlight for animal welfare issues. While the number of European farms with free-range hens has increased, in Spain, 93 percent of laying hens are still caged. This also contributes ...

How much oil have we used?

Estimates of how much crude oil we have extracted from the planet vary wildly. Now, UK researchers have published a new estimate in the International Journal of Oil, Gas and Coal Technology that suggests we may have used ...

Earth's major 'mass extinction' events

Most scientists agree that a "mass extinction" event is underway with the Earth's wildlife disappearing at an alarming rate, mainly due to human activity.

UN scientists say ozone layer depletion has stopped

The protective ozone layer in the earth's upper atmosphere has stopped thinning and should largely be restored by mid century thanks to a ban on harmful chemicals, UN scientists said on Thursday.

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