The number of beaches in Wales where the water quality is high has increased by 40% in the last 10 years, figures have revealed.

A depiction of the global sources of CO2 which are dominated by the US, China and Europe

The study suggests climate change is projected to occur "thousands of times faster" than grass species can adapt

The world's largest radio telescope, which has been built in China, is beginning an intensive testing phase.

Elephants in Botswana, which has more of the animals than any other country in Africa

The vast truck, used for water storage, of the Cavanillesia umbellata tree is one of the most conspicuous characteristics in a dry forest

China's first space station is expected to fall back to Earth in the second half of 2017, amid speculation authorities have lost control of it.

Flash floods have destroyed crops in Somalia leaving nearly half the population short of food

Swiss firms have been criticised in a report for their links to the African trade in diesel with toxin levels that are illegal in Europe.

German chemicals giant Bayer has confirmed its record-breaking $66bn takeover of GM seeds business Monsanto - a deal that would create the world's biggest seeds and pesticides company.