Welcome to the environmentalresearchweb newswire. This week we bring you details of the Arctic river ice that's becoming less reliable, a rise in the amount of land growing crops for export, how local knowledge can minimize the impact of offshore wind farms, and more. Simply click on the headlines below to read the full stories.

2030 could be ‘cross-over year’ for climate change responsibility
20 Aug, 2014
Developing countries won’t alter climate more than developed nations until 2030, if short-lived greenhouse gases and other factors are taken into account

REDD+: planned direct interventions tend to focus on degradation
19 Aug, 2014
Monitoring and understanding drivers better are key, study finds

Arctic permafrost wets while other surfaces dry
18 Aug, 2014
Study reveals need to calculate methane emissions from frequent measurements of surface inundation

Pollution triples mercury levels in ocean surface waters, study finds
15 Aug, 2014
Toxic metal threatens marine life as it accumulates faster in shallow layers than in deep sea due to human activity (from the Guardian)

Extra cropland brings drinking-water contamination risk
14 Aug, 2014
Study calculates cost of dealing with nitrate-polluted groundwater in private wells