Research
Extreme weather events of 2015: Is climate change to blame?
NEWS: Record temperatures, heatwaves and a brewing El Nino are making this year one of the more unusual in recent history
Climate change is worsening California drought – study
NEWS: State could be in “more or less permanent” drought by 2060s, researchers warn as four-year dry spell takes its toll
China carbon emissions overestimated by 14% – report
GUARDIAN: New analysis takes fuel quality into account for first time, but China is still world’s largest emitter of greenhouse gases
Astronomers trash sunspot theory of global warming
NEWS: Solar activity has not increased since 1700, leading scientists conclude after review of diverging datasets
Glacier melt hits record levels, report Zurich-based monitors
NEWS: Scientists say many glaciers are melting faster than ever − and many will continue to do so even if climate change can be stabilised
Climate cure worse than disease for US water stress – study
NEWS: Bioenergy crops need more irrigation and will put pressure on water resources, models show
Paralysed by uncertainty? Index mooted to solve climate dilemma
NEWS: Setting pace of emissions cuts by observed warming could see off climate policy objections, say UK researchers
Good practice could get emissions close to 2C levels – study
NEWS: If all countries follow the example of the best in each sector, it brings warming target within reach, say European researchers
Pentagon warns of emergency risk in melting Arctic
NEWS: US Department of Defense is calling for more resources to expand search and rescue capabilities into newly open territory
Global warming halfway to UN’s 2C limit – New Scientist
NEWS: All but one of the main surface temperature monitors has recorded a 1C rise since pre-industrial times, analysis shows
Washington DC is sinking into the sea – study
NEWS: The seat of US government faces six inches of subsidence this century, geologists say, making it vulnerable to sea level rise
Why carbon removal from air needs more attention
NEWS: From tree planting to direct air capture machines, negative emissions techniques are essential, says founder of new centre
Recession not shale gas boom cut US emissions – study
NEWS: Economic factors rather than switch from coal to natural gas drove recent drop in country’s CO2 output, say researchers
Hottest June on record makes 2015 sure thing for warmest year
NEWS: Latest data from US agency NOAA reinforces high temperature trend, boosted by a moderate El Nino
Outsider enters race to head UN climate science panel
NEWS: Energy economist Nebojsa Nakicenovic is the fifth candidate nominated to replace Rajendra Pachauri at the top of the IPCC
Climate denial conspiracy theories – contentious study republished
NEWS: In a long-running wrangle with sceptical bloggers, psychologist Stephan Lewandowsky has revived a previously retracted paper
World carbon emissions in one handy graphic
NEWS: This metric breaks down how much CO2 countries are pumping skyward – and which sector has the greatest footprint
Alaska wildfires spiral in warming climate – study
NEWS: America’s northern frontier is seeing a surge of large wildfires, releasing more carbon dioxide from tundra and forests
Sunspot slump won’t halt warming trend – Met Office
NEWS: A return to a ‘grand solar minimum’ not seen for centuries may cause some cooling but won’t outweigh greenhouse effect
European countries urged to prepare for 1.5m sea level rise
NEWS: Parts of Europe face higher than average marine surge as polar ice melts, Danish researchers have found