US and Asia are over-exploiting groundwater reserves

Farmers in Asia and North America are over-using underground water reserves, risking the supply for billions of people.

US has plenty of room for carbon storage, says MIT

While plenty of question marks still hang over the prospect of carbon capture and storage, MIT believes it's ruled out one: the US, it says, has enough capacity in its deep saline aquifers to store at least a century's fossil fuel emissions.

Carbon sequestration could poison water supplies, study finds

Carbon sequestration - much touted as a cure-all for unsustainable levels of polluting emissions - could increase contaminants in drinking water ten-fold, a new study has found.