Environmentalists fear Brexit could see European rules on water cleanliness being undermined. But could leaving the EU result in filthy coastlines and smelly beaches?

Scientists in Wales may have found a solution to the global chocolate crisis caused by a cocoa shortage.

Pressure is growing on the UK government to ratify the Paris climate change deal immediately.

Decades of conservation efforts have led to a rebound in the number of giant pandas

Scientists in China have found that a rabies vaccine usually given to dogs can also protect livestock.

Australia is suing the local arm of Volkswagen for allegedly misleading customers by selling modified vehicles that covered up emissions fraud.

Air pollution in UK cities has failed to improve because politicians prioritise road safety and economic growth instead, research suggests.

Isobutanol is more powerful than ethanol and has now been approved for use in aircraft fuel blends

Singapore has confirmed 41 cases of the Zika virus which were locally transmitted.

Areas in green show where water has turned into land and those in blue show where land has become water