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Locust plagues point to grim future of climate change

Climatic changes in China, the Middle East and Africa could see more severe outbreaks of locusts devastating food crops. The desert locust, the most notorious of about a dozen locust species for its ability to rapidly multiply and travel long distances, threatens an area of 32 million square kilometres, stretching across 50 countries from west Africa to India. »

Matt Ridley's misguided climate policy | Dana Nuccitelli

If we're fortunate that climate consequences will take a decade longer, we're still not doing nearly enough to solve the problem. In an opinion article for the London Times this past Monday, writer Matt Ridley discussed his interpretation of a new paper which suggests that the Earth's climate sensitivity may be a bit lower than current best estimates. »

Don't delay on renewable energy, government told

Committee on Climate Change says the sooner the UK invests in low-carbon power generation the cheaper it will be. Investing in new renewable power generation, rather than a "dash for gas", will be the lower-cost option for keeping the lights on while cutting greenhouse gas emissions, the government's climate change watchdog has said. »

China unveils details of pilot carbon-trading programme

Nation's first trading scheme in the southern city of Shenzhen will cover 638 companies when it begins next month. China has unveiled details of its first pilot carbon-trading programme, which will begin next month in the southern city of Shenzhen. »

World on course to run out of water, warns Ban Ki-moon

Freshwater supply and water quality under pressure, warns UN secretary general on International Day of Biological Diversity. Ban Ki-moon has warned the world is on course to run out of freshwater unless greater efforts are made to improve water security. »

Matt Ridley has joined the real climate debate | Myles Allen

The climate sceptic's interpretation of my study as final endorsement of his position means we can move on. It isn't often, as a climate scientist, that you find your research being enthusiastically endorsed by climate sceptic Matt Ridley in the Times. »

Oklahoma tornado: is climate change to blame? | Harry Enten

The Oklahoma twister was a 'classic look', but the data shows we are experiencing more volatility in the US tornado season. Global climate change and politics are linked to each other – for better or worse. »

Heartland Institute wastes real scientists' time – yet again | John Abraham

Wouldn't it be nice to live in a world where armchair experts gave up fighting over whether climate change is occurring? This spring, I began receiving calls and emails from colleagues about a strange little book that was mailed to environmental science professors around the country. This was a big mailing, in total, a reported 100,000 copies were sent out. »

Climate change meltdown unlikely but human disaster looms, claims new research

But forecast global temperature rise of 4C heralds disaster for large swaths of planet with oceans absorbing most global warming. Some of the most extreme predictions of global warming are unlikely to materialise, new scientific research has suggested, but the world is still likely to be in for a temperature rise of double that regarded as safe. »

Heatwave deaths in New York city could rise by up to 22%, study shows

New temperature norms under climate change will increase weather-related deaths in metropolitan areas in coming decades. New York city could experience up to 22% more deaths from extreme summertime heat in the coming decade under global warming, according to a study of the impact of climate trends. »

Zombie climate sceptic theories survive only in newspapers and on TV | Graham Readfearn

Study finds overwhelming scientific consensus that humans have caused global warming, but media still hasn't caught up. Here's the news from 1991 – a vanishingly small number of peer-reviewed studies in science journals argue that humans aren't the cause of global warming. »

UK's climate change adaptation team cut from 38 officials to just six

Former senior official John Ashton attacks government for 'spooking potential investors' in energy infrastructure. The number of people employed by the government to work on the UK's adaptation to the effects of climate change has been cut from 38 officials to only six, in a sign of how the response to global warming has been rapidly downgraded within Whitehall under the coalition. »

Obama's Arctic strategy sets off a climate time bomb | Nafeez Ahmed

US National Strategy for the Arctic Region prioritises corporate 'economic opportunities' at the expense of everyone else. One week ago, the Obama administration launched its National Strategy for the Arctic Region, outlining the government's strategic priorities over the next 10 years. »

Global warming has not stalled, insists world's best-known climate scientist

Prof James Hansen warns public not to be fooled by 'diversionary tactic' from deniers. Suggestions that global warming has stalled are a "diversionary tactic" from "deniers" who want the public to be confused over climate change, according to the world's best-known climate scientist. »

Australia's 'unpopular' carbon price isn't to blame for Labor's poor polling | Alexander White

Claims that Julia Gillard's unpopularity were linked to her introduction of carbon pricing in 2012 don't stack up. Since the disappointment of Copenhagen in 2009, Australia has witnessed a concerted scare campaign against action on global warming. »

Survey finds 97% climate science papers agree warming is man-made | Dana Nuccitelli

Overwhelming majority of peer-reviewed papers taking a position on global warming say humans are causing it. Our team of citizen science volunteers at Skeptical Science has published a new survey in the journal Environmental Research Letters of over 12,000 peer-reviewed climate science papers, as the Guardian reports today. »

Climate research nearly unanimous on human causes, survey finds

Of more than 4,000 academic papers published over 20 years, 97.1% agreed that climate change is anthropogenic. A survey of thousands of peer-reviewed papers in scientific journals has found 97.1% agreed that climate change is caused by human activity. »

Alaska's erosion accelerated by climate change

Warmer temperatures, heavy rain, flooding, sea-level rise and retreating sea ice are stealing the ground from beneath Alaskans' feet. Guardian US interactive teamGreg ChenGabriel DanceFeilding CageSuzanne Goldenberg. »

Floods could 'overwhelm Thames Barrier by end of century'

Sea-level rises could send storm floods over the barrier if nothing is done to bolster the UK's flood defences. Sea-level rises could send floods driven by storm surges over London's Thames Barrier regularly by the end of the century, if nothing is done to bolster the UK's flood defences, scientists warned on Tuesday. »

Alaska: where politics and climate change go hand-in-hand

Though Sarah Palin has reversed her policy since she was governor, it is undeniable that Alaska is changing fast. Guardian US interactive teamFeilding CageGabriel DanceRichard SprengerSuzanne Goldenberg. »