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.

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.

In a landmark study of airborne microorganisms from ground level up to 3,500 metres, scientists from the Singapore Centre for Environmental Life Sciences Engineering (SCELSE) at Nanyang Technological University, Singapore (NTU Singapore) have found that bacteria and fungi populate the planet's lower atmosphere in very specific ways and if changed, may negatively impact human health and food supply.

With the federal government planning to hold the largest sale of offshore wind farm leases in the nation’s history, a new Cornell study could help inform the development of offshore wind farms by providing detailed models characterizing the frequency, intensity and height of low-level regions of fast-moving winds over the U.S.