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Caption: Setting up camp on sea ice in the Lincoln Sea, north of Greenland, in March 2014 as part of the ESA CryoVex experiment to measure sea ice properties including the depth of drifting snow.

The volume of Arctic sea ice increased by a third after the summer of 2013 as unusually cool air temperatures prevented the ice from melting, according to University of Leeds and UCL scientists.

Arctic ozone without the Montreal Protocol (left) and following its implementation (right) on 26 March 2011. Credit: Sandip Dhomse

We are already reaping the rewards of the Montreal Protocol, with the ozone layer in much better shape than it would have been without the UN treaty, according to a new study in Nature Communications.

Using heavy equipment to put the lidar on the roof

The NCAS Lidar “Flossy” has been helping a European Space Agency (ESA) Earth Explorer Core Mission, ADM-Aerolus.

Two Leeds-led EPSRC networks have been funded as part of the Living with Environmental Change (LWEC) and Mathematical Sciences themes.

Scientists report that chemicals that are not controlled by a United Nations treaty designed to protect the Ozone Layer are contributing to ozone depletion.