Droughts occurring at the same time across different regions of the planet could place an unprecedented strain on the global agricultural system and threaten the water security of millions of people, according to a new study in Nature Climate Change.

Last year, atmospheric methane levels reached a grim new milestone, surpassing 1,900 parts per billion, the highest level in almost 40 years of record-keeping, according to new data from the National Oceanic and Atmospheric Administration.

Researchers have revealed that threatened birds have disappeared from almost 70 per cent of Australia since European colonisation.

New research from the University of Georgia has shown, for the first time, that compounds used to fight fungal diseases in plants are causing resistance to antifungal medications used to treat people.

Tropical forests are being cleared for agriculture and other uses at alarming rates.

Due to climate change, Arctic winters are getting warmer. An international study by UZH researchers shows that Arctic warming causes temperature anomalies and cold damage thousands of kilometers away in East Asia.

Little food reaches the depths below the permanently ice-covered Arctic Ocean, because light limits the productivity of algae.

Agriculture accounts for around 25 percent of all greenhouse gas emissions worldwide. 

What factors drive the health, growth and productivity of giant kelp? 

Researchers at the University of Oxford have collaborated with industry experts to develop an adaptable smart window technology that could reduce the energy usage of an average home by up to a third.