The Independent

I was sceptical about climate change. I was cautious about crying wolf. I am always cautious about crying wolf. I think conservationists have to be careful in saying things are catastrophic when, in fact, they are less than catastrophic. By David Attenborough

The camp commander's claims of a co-ordinated revolt are challenged by new details of the violence. By Severin Carrell

The British-funded Ice Patrol is usually busy in May, protecting shipping from rogue bergs. But it's all gone alarmingly quiet this year. By Michael Park

Climate change means that business as usual is dead. It means that economic growth as usual is dead. But the politics of economic growth and business as usual live on.

Zarifa Abdel Khadr came in secret to Gaza City's jewellery souk this week to sell the two gold rings she has owned for half a century. By Donald Macintyre

In Basra yesterday the mood was one of trepidation. Mohammed Haidar Ali, a 42-year-old engineer, said: "We do not like this violence, we all want peace.

Deadly attack on helicopter and violent riots show threat facing British forces is escalating in southern Iraq

Scientists warn of ecological catastrophe across Asia as glaciers melt and continent's great rivers dry up

Capital punishment in the US is under the microscope and lawyers using the latest forensic science techniques have found justice wanting. By Andrew Gumbel

Low-fat is good, butter is bad; buy free-range, not battery; tofu's terrific, lard's a killer... Messages about what we should and shouldn't eat bombard us on a daily basis. So what are we to believe? And what about the cost to the planet?

They sprang up in the deserts of New Mexico and are made of tyres, earth, and rubbish. Now these self-sufficient living modules have arrived in the UK. Hester Lacey reports

Spring is being keenly awaited on Sakhalin in Russia's far east after another long winter. But when it finally comes in June it offers little prospect of a thaw in relations between environmentalists and Shell. By Jonathan Brown

Twenty years ago this week, an unparalleled nuclear disaster struck. Its effects are still felt across Europe. As the West seeks to revive the technology, the anniversary sends a chill warning. By Andrew Osborn in Chernobyl and Geoffrey Lean

The fallout from Chernobyl, the world's worst nuclear accident, will be 10 times more deadly than previously thought and will cause almost 100,000 people to die from cancer in coming years, Greenpeace says. By Andrew Osborn

Colombia's leader denies using death squads to wipe out opponents. By Daniel Howden

Through a lengthy, covert operation, Japan is poised to seize control of whale hunting - and that spells disaster for the endangered mammal

A carbon "tax" will raise £100,000 across Whitehall departments to compensate for the 10,000 tons of carbon dioxide caused by extra air travel associated with Britain's presidency of the G8 and the summit at Gleneagles last year. By Colin Brown

Of the thousand shades of green that wash the hills of Tayrona National Park the lightest is the coca leaf. By Daniel Howden

The unprecedented wave of immigrants' rights protests sweeping the United States reached a new high yesterday as an estimated two million people took to the streets in 140 different cities around the country ­ an extraordinary mobilisation many supporters are likening to a second civil rights moveme

Tensions are rising over Tehran's alleged nuclear weapons programme as the Pentagon considers its military options. Anne Penketh reports

Across the frozen North Slope of Alaska, the region's largest oil accident on record has been sending hundreds of thousands of litres of crude pouring into the Arctic Ocean during the past week after a badly corroded BPO pipeline ruptured.

The annual slaughter of cubs, shot or clubbed to death, faces the strongest protests for decades, report Geoffrey Lean, Jonathan Owen and Marie Woolf

As global protests mark the day the invasion began, Raymond Whitaker examines the latest example of the self-delusion and spin that have characterised the occupation

The companies envisage spending $1.5bn (£860m) to build a new gas-fired station in Norway and then pump the carbon dioxide it produces into two oil and gas fields off the Norwegian coast to help enhance production. By Michael Harrison

Tony Blair's backing for nuclear power suffered a blow yesterday when the Government's own advisory body on sustainable development came down firmly against the building of a new generation of reactors. By Michael Harrison, and Michael McCarthy

Website reveals plan to scrap prohibition on seeds that threaten Third World farmers with hunger

Greenland ice cap breaking up at twice the rate it was five years ago, says scientist Bush tried to gag. By Jim Hansen

John Reid warns climate change may spark conflict between nations - and says British armed forces must be ready to tackle the violence

The Prime Minister's suggestion that the security services were demanding new powers in order to deal with a new category of terrorist suspect turns out to have been nonsense. His figure of " several hundred" terrorists plotting mayhem seems to have been plucked out of thin air. By Peter Oborne

Hamas denounced the governments of US and Israel for "interference" and "collective punishment" after it was reported that they were discussing ways of using a halt to funding to oust it from power later this year. By Donald Macintyre