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from other regions, namely Europe, the US, East Asia, and Australia through collaboration with colleagues from the Advanced Global Atmospheric Gases Experiment and other international groups Calculating atmospheric trends of important gases using observations from the Mace Head observatory on the west

Main climate risks in the MENA region Rising temperatures over all seasons, increased evapotranspiration, and, in some locations, more variable rainfall, will contribute to greater drought risk and harvest failure. Agricultural production is constrained by limited water, temperature and suitable

, will increase crop water stress, drought frequency and intensity, and contribute to greater risk of harvest failures and production shortfalls. • Shorter growing seasons are expected in many areas. This will be especially acute for vulnerable agricultural systems that experience high temperatures

, will increase crop water stress, drought frequency and intensity, and contribute to greater risk of harvest failures and production shortfalls. • Shorter growing seasons are expected in many areas. This will be especially acute for vulnerable agricultural systems that experience high temperatures

The start of the week brings a mix of weather across the UK, with Monday beginning on a wet note for parts of the southeast.

. (Source: US National Snow and Ice Data Center.) Particulars of the 2015 melt season This year, the start of the melt season in May and June was relatively cool in most of the Arctic Ocean, similar to 2013 and 2014. This was due to a lack of the persistent southerly winds which characterised the early