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The melting Chukchi Sea, 20th July 2011: the US Coast Guard Cutter Healy encountered only small patches of sea ice in the Chukchi Sea during the final days collecting ocean data for the 2011 ICESCAPE mission. Photo: NASA Goddard Space Flight Center via Fl

Save the Arctic sea ice while we still can!

John Nissen

5th March 2015

The Arctic Ocean is coming close to complete summer meltdown, writes John Nissen - indeed it could happen as soon as September, triggering a severe deterioration in climate across the northern hemisphere. With fast-rising temperatures predicted in the coming decade, we must act now to save the Arctic, before it's too late. more...
NASA image of the Arctic sea ice on March 6, 2010. Image: NASA / Goddard Space Flight Center Scientific Visualization Studio; Blue Marble data courtesy of Reto Stockli (NASA/GSFC), via Flickr (CC BY 2.0).

Coming soon: the 'Big Heat'

Nafeez Ahmed

3rd March 2015

Global warming has been on vacation for a few years, writes Nafeez Ahmed. But that's only because the excess heat - two Hiroshima bombs-worth every second - has been buried in the deep ocean. But within a few years that's set to change, producing a huge decade-long warming surge, focused on the Arctic, that could overwhelm us all. more...
The future Amazon? Keep on deforesting the Amazon, and Leticia in the Colmbian rainforest, which currently gets 2500mm of rain a year, could get as little rain as Israel's Negev Desert, with 20mm. Photo of the Negev by Francois BESSONNET via Flickr (CC BY

Without its rainforest, the Amazon will turn to desert

Peter Bunyard

2nd March 2015

Mainstream climatologists predict a 15% fall in rainfall over the Amazon if it is stripped of its rainforest. But the 'biotic pump' theory, rooted in conventional physics and recently confirmed by experiment, shows that the interior of a forest-free Amazon will be as dry as the Negev desert. We must save the Amazon before it enters a permanent and irreversible dessication. more...
As ocean acidity rises, diatoms stuggle to gow in variable light conditions. Photo: Mixed diatom frustules by Carolina Biological Supply Company via Flickr (CC BY-ND-NC 2.0).

Keystone plankton 'go slow' as ocean acidity rises

Tim Radford

1st March 2015

Increasing acidity in the Southern Ocean is slowing the growth of diatoms, reports Tim Radford. Why worry? Because these tiny plankton sustain essential marine ecosystems, and are highly effective at drawing CO2 down into the deep ocean. more...
Protest rally against Kinder Morgan at Burnaby Mountain Park, 20th November 2014. Photo: Mark Klotz via Flickr (CC BY 2.0).

Tar sands campaigners are Canada's new 'terrorists'

Pete Dolack

5th March 2015

Canada's 'Anti-Terrorism Bill' proposes a massive increase in the power of security services, writes Pete Dolack - and in the crosshairs are campaigners against a tar sands industry that's intent on releasing 240 billion tonnes of CO2 into the atmosphere, and those fighting the pipelines needed to get the heavy crude to market. Who are the real 'extremists'? more...
A dry branch of the Atibainha reservoir, part of the Cantareira system of reservoirs that serves Sao Paulo, 26th February 2015. Photo: Clairex via Flickr (CC BY-NC-ND).

Brazil's ravaged forests are taking their revenge

Robert Hunziker

2nd March 2015

Thanks to massive deforestation along Brazil's Atlantic coast and the Amazon, São Paulo's reservoirs are at just 6% of their capacity and water rationing is in place. But this is just the beginning of a long term drying process that could be recreated around the world as forests are laid waste and hydrology disrupted. more...
The rate of growth in China's emissions from fossil fuels has been declining for a decade - but in 2014 it switched into reverse.

China's fossil fuel emissions fell 3% in 2014

Lauri Myllyvirta / Greenpeace EnergyDesk

27th February 2015

China has just recorded its first fall in emissions from burning fossil fuels in 15 years, writes Lauri Myllyvirta. The sharp decline has surprised analysts, and reflects the fast growing proportion of renewables in the country's power supply. more...
Industrial fumes caught in early morning sunshine in Chilwaukee, Wisconsin. Photo: Light Brigading via Flickr (CC BY-NC 2.0).

Survivable IPCC projections are based on science fiction - the reality is much worse

Nick Breeze

27th February 2015

The IPCC's 'Representative Concentration Pathways' are based on fantasy technology that must draw massive volumes of CO2 out of the atmosphere late this century, writes Nick Breeze - an unjustified hope that conceals a very bleak future for Earth, and humanity. more...
A Coral Cod (Cephalopholis miniata) at Lighthouse Bommie, Ribbon Reef #10, Great Barrier Reef. Photo: Richard Ling via Flickr (CC BY-NC-ND 2.0).

US tax dollars must not finance $1bn Great Barrier Reef destruction!

The Ecologist

20th February 2015

A powerful call has gone out the the US Export-Import Bank not to finance a massive coal mine, railway, port terminal and dredged 'canal' through Australia's Great Barrier Reef with $1 billion in loans and guarantees. more...
Which side are you on? Global Divestment Day Amsterdam. Photo: Nichon Glerum www.nichon.nl / 350.org (CC BY-NC-SA 2.0).

Fossil fuel divestment backlash forces the question: Which side are you on?

Kate Aronoff / Waging Nonviolence

18th February 2015

The fossil fuel industry's big reaction to Global Divestment Day shows us something important, writes Kate Aronoff - they understand the existential danger they face better than we do. To win the battle for the world's climate, as we must, the victory must be total - and there is no place for neutrality or weak compromise. more...
Will we go the way of the Ancient Pueblo People? Climate models say we will, this century. Photo: Cliff Palace, Mesa Verde National Park, by Lorax via Wikimedia Commons.

Southwest USA faces long term 'megadroughts' this century

Tim Radford & Oliver Tickell

17th February 2015

The same pattern of severe droughts that extinguished the Ancient Pueblo culture of the southwest US in the 13th century will come back with a vengeance later this century as climate warms and dries, writes Tim Radford. And it could have precisely the same effect on the region's modern-day residents. more...
It's time to get smart about public transport! A 'bus jam' on Putney Hill, London. Photo: Chris Guy via Flickr (CC BY-NC-ND 2.0).

Greening transport - we can do it, if we want to!

Rupert Read

16th February 2015

Public transport often doesn't work for travellers because it's fragmented, deregulated and operated for short-term profit, writes Rupert Read. A Green transport policy would force operators to coordinate their schedules, integrate multiple transport modes, and entice travellers out of their cars building a real public transport 'system'. more...

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Thunderstorm in Colorado, USA, on 28th June 2013. Photo: Bryce Bradford via Flickr (CC BY-NC-ND).)

Geoengineering - the case is not made

Clive Hamilton

14th February 2015

The geoengineering genie should remain firmly stopped up in its bottle until a robust case is made for letting it out, writes Clive Hamilton - and that's something the NRC's new report signally fails to achieve, providing no rationale for deploying the technology, or even experimenting with it. more...
Dumped the day before Valentine's - Global Divestment Day 2015 party under way in Adelaide, Australia. Photo: 350.org via Flickr (CC BY-NC-SA 2.0).

Join Global Divestment Day and make fossil fuels history!

Yossi Cadan

13th February 2015

Increasing numbers of investors are waking up to the reality that the fossil fuel era is coming to an end, writes Yossi Cadan. But there's one sector that hasn't yet got the message: the fossil fuel industry itself is determined to keep on piling good money after bad. So join the worldwide divestment party this weekend and help ram the message home! more...
Gigatonnes of carbon rising from the frigid Southern Ocean put an end to the last ice age. Photo: Natalie Tapson via Flickr (CC BY-NC-SA).

Carbon stored deep in Antarctic waters ended the last ice age

Miguel Martinez-Boti & Gianluca Marino

12th February 2015

The last ice age came to an end following the massive release of carbon dioxide from the Southern Ocean, write Miguel Martinez-Boti and Gianluca Marino, and the signature of that event is written in planktonic shells. It's a timely reminder that the oceans contain 60 times more carbon than the atmosphere - and we want to keep it there. more...
Yes, this new luxury apartment development really is built of straw bales - the new high-precision, pre-fabricated variety, made by Modcell in one of its 'flying factories'. Photo: modcell.com.

Straw homes are a cheap and green fix for the housing crisis

Pete Walker

10th February 2015

Straw is cheap, plentiful, eco-friendly and an excellent insulator, writes Pete Walker - and officially certified prefabricated straw bale building systems are challenging traditional brick construction. So why aren't straw bale houses mushrooming on building sites across the country? Maybe they are ... more...
'The kingdom of God belongs to such as these'. Children in Tacloban City, Leyte Province, Philippines, amid the wreckage of Super Typhoon Yolanda / Hiyan, 21st December 2013. Photo: United Nations Photo via Flickr (CC BY-NC-ND).

Rediscovering the moral dimension of climate change

Jonathon Porritt

9th February 2015

Pope Francis's forthcoming statement on climate change could just revitalise progress towards significant emissions cuts, writes Jonathon Porritt. But more than that, it will open up the space for a wider spirituality to guide our thinking, and campaigning, on climate and other key global challenges. more...
Global average temperature anomaly 1850-2015. Image: WMO.

WMO: 2014 was hottest year on record

The Ecologist

3rd February 2015

The World Meteorological Organization has ranked 2014 as the hottest year on record. And it's no flash in the pan: 14 of the 15 hottest years have been in the 21st century, a powerful indication of warming trend. more...
Low carbon? No way! The planned Hinkley Point C nuclear power station would have carbon emissions well above the Climate Change Committee's recommended limit for new power generation. Picture: HayesDavidson.

False solution: Nuclear power is not 'low carbon'

Keith Barnham

5th February 2015

Claims that nuclear power is a 'low carbon' energy source fall apart under scrutiny, writes Keith Barnham. Far from coming in at six grams of CO2 per unit of electricity for Hinkley C, as the Climate Change Committee believes, the true figure is probably well above 50 grams - breaching the CCC's recommended limit for new sources of power generation beyond 2030. more...
Parched aricultural land in California’s drought-hit San Joaquin Valley. Photo: Pete Souza / White House via Wikimedia Commons.

California drought: rains bring scant relief

Kieran Cooke

29th January 2015

California's worst drought on record is far from over, writes Kieran Cooke. But while residents are getting used to dusty cars and parched lawns, the state's massive agricultural sector is still growing water-intensive crops like rice. How crazy is that? more...
John Ashton's enthusiastic audience at the demo outside Parliament, 26th January 2015. Photo: video still via YouTube by Jamie Kelsey.

Dash to frack is an insult to democracy

John Ashton

29th January 2015

The government's relentless drive to frack Britain is an affront to our democratic traditions, John Ashton, the UK's former top climate diplomat, told an enthusiastic audience at an anti-fracking demo outside Parliament this week - and now it's up to us all to make it a core issue in the forthcoming general election. more...
Despite the handshake between Barack Obama and Narendra Modi, no deal was done on Indian emissions reductions. Photo: Government of India Press Information Bureau.

100GW solar support in US-India climate talks, but no emissions cuts

Nivedita Khandekar

27th January 2015

India made no promises to cut its CO2 emissions from coal power stations, writes Nivedita Khandekar, and refused to reveal its ambitions for the Paris climate talks - but Obama promised US support for its plans to roll out 100GW of solar power. more...
Fracking in a Denton residential neighborhood. Photo: Gena Felker / Britt Utsler via Frack Free Denton.

Message to the UK: the fracking 'bridge' is burning!

Naomi Klein

27th January 2015

The lesson of fracking in the US and Canada is a simple one, writes Naomi Klein. The fracking industry is vicious, brutal and will stop at nothing to get its way. British anti-frackers can celebrate yesterday's achievements - but the fight ahead will not be an easy one. more...
We need to talk about climate change ... Photo: Pedro Ribeiro Simões via Flickr (CC BY 2.0).

Carbon conversations: we need to talk about climate change

Rosemary Randall

15th February 2015

Despite the urgency of climate change, most people close their eyes, turn away turn away and hope someone else will sort it out. It's not that we're bored, writes psychotherapist Rosemary Randall - we're more likely to be fearful, anxious or embarrassed. So how can we help people to feel less scared, and see that we are all are part of the solution? more...
The world stood with Yeb Sano and the Philippines in 2013 - but now the Philippines are dumping him and the principled policies he represented. Photo: Handing over 600k solidarity messages to Yeb Sano at the Warsaw COP, by Push Europe (CC BT-NC 2.0).

The Philippines are squandering their moral authority on climate change

Walden Bello

25th January 2015

Yeb Sano, Philippines climate negotiator at the COP19 Warsaw climate talks, spoke for the entire poor and climate vulnerable world as his country was ravaged by Typhoon Haiyan in 2013. But he was mysteriously absent from Lima in 2014 - signalling a major national policy reversal in which the Philippines are giving everything away - and receiving nothing in return. more...

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