It was a beautiful morning, if a little muggy, as I passed through the Kent countryside to Strood yesterday on my way to Climate Camp. I had to find out for myself what it was really like at the farm opposite Kingsnorth coal fired power station, where E.On wants to build the first new coal plant in the UK for over 30 years.

Joined by fellow climate campaigners, we received friendly smiles from local people who pointed us in the direction of Kingsnorth, egging us on our journey. (After all, not everyone wants to live next to a coal fired power station.)

Here's the latest in the Deep Green column from Rex Weyler - author, journalist, ecologist and long-time Greenpeace trouble-maker. The opinions here are his own.

As the era of cheap liquid fuels draws to an end, everything about modern consumer society will change. Likewise, developing societies pursuing the benefits of globalization will struggle to grow economies in an era of scarce liquid fuels. The most localized, self-reliant communities will experience the least disruption.

Oil is a fixed asset of the planet, representing stored sunlight accumulated over a billion years as early marine algae, and other marine organisms (not dinosaurs) captured solar energy, formed carbon bonds, gathered nutrients, died, sank to the ocean floors, and lay buried under eons of sediment. Like any fixed non-renewable resource, oil is limited, and its consumption will rise, peak, and decline.

See all Climate Camp updates.

This summer's Camp for Climate Action takes place next week at Kingsnorth in Kent, where German utility company E.On aims to build the UK's first coal-fired power station for decades. If the government gives the go-ahead, which could happen in October, the CO2 emissions from this one new plant would equal that of the 30 lowest emitting countries in the world combined.

Coal is the most polluting of all fossil-fuels, and if Kingsnorth is built then plans for six similar plants are likely to be approved, emitting a colossal 50 million tonnes of CO2 into the atmosphere each year. So this decision is crucial, which is why activists from all over the country and around the world will be coming to make their voices heard.

What do you do when oil prices rocket?

1. Swap the car for public transport?
2. Burn more energy to extract oil from sand while leaving behind toxic wastelands?

Well, if you are Syncrude Canada Ltd operating near Fort McMurray in northern Alberta, Canada, you choose option B. But since Greenpeace would rather go ahead with option A; we decided to show Syncrude how wrong their tar sands project really is.

Canada's Tar Sands project has been suffering from a bit of a PR problem, what with it being one of the most ludicrous and environmentally catastrophic schemes ever to have occurred to humankind and all.

(If you haven't heard of it yet, the plan is to extract crude oil from bituminous sand and clay in Northern Alberta. To produce one barrel of oil, up to four tonnes of rock and soil - plus the pristine boreal forest on top of it - need to be removed and four barrels of surface and ground water need to be used. The process is so energy intensive that tar sands produce up to five times more greenhouse gases than conventional oil.)

"You have to act quickly, because very soon these fields will be dry." This prediction, drawled by hardened oilman Daniel Plainview in this year's best film, There Will Be Blood, has become a reality. Eight years into the 21st century and we are seeing the beginnings of a new energy horizon. Oil is receding into the distance. Nature's "free gift" to humanity is running out, fast.

2008 will come to be seen as the year the world's leaders were forced to confront their demons. The global response to stratospheric oil prices will determine if we are able to escape the worst consequences of climate change, feed the world and prevent pollution from ruining living conditions in our ever expanding cities. Trillions of dollars will be spent in the next few decades on technologies to generate energy, as old infrastructure rusts and economies expand in parts of the world that have endured poverty for centuries.

Greetings from the black hole: protesters at Ffos-y-Fran open cast pit in South Wales

Climate change campaigners marked the third annual "Fossil Fool's Day" on Tuesday with a series of protests around the world highlighting the need for us all to reduce the amount of carbon we burn. Here in the UK the focus was very much on coal, and sending a message to ministers that if new coal plants like Kingsnorth are built, they'll ruin any realistic chance that we have of meeting our commitments to reduce our greenhouse gas emissions, and represent a devastating failure of the government's resolve to tackle climate change. Key events included:

• the shutting down one of Europe's largest open cast coal mines at Ffos-y-Fran in South Wales;
• Earth First! activists blockading the UK's largest gas Terminal at Bacton in Norfolk;
• People and Planet building a 12ft high model of a coal-fired power station in Parliament Square;
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Roll up, roll up! The climate circus is in town. Confronted with melting ice caps, unprecedented species extinction, droughts and extreme weather, climate change threatens our very survival. The fools at the head of the fossil fuel empire continue to plunder the earth, with the governments as willing court jesters at their side.

They would have us believe that we can escape climate change with techno-fixes, market mechanisms and offset schemes - all technocratic acrobatics that distract us from the truth: the only real solution to climate change is to keep fossil fuels in the ground.

Actions will be happening all over the world. Here in the UK there'll be a protest against new coal-fired power stations. From 8am London World Development Movement groups are co-ordinating a protest outside the Department for Enterprise Business and Regulatory Reform (or Dberr) to laugh at the minister for business, John Hutton. Hutton is currently set to make a right fool of the government's climate policy if he signs off on EON's new Kingsnorth power station.

This week the Rainbow Warrior marked the start of a six week 'Target Climate Change' tour of New Zealand with an action against the Hellenic Sea, a 60,000 tonne bulk carrier owned by coal exporter Solid Energy. While it trades on NZ's clean green credentials the government is making millions of dollars from Solid Energy peddling coal on the world market - quite literally stoking the fires of climate change.

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If new coal is the answer, Mr Brown's asking the wrong questions

Kingsnorth exposes a government energy strategy in disarray. One week the Prime Minister commits the UK to generating around 40 per cent of its electricity from renewables, the next his Business Secretary sings the praises of the most carbon-intensive form of power generation around. We can only hope that John Hutton's words were an attempt to stake out his territory in the Cabinet, not a wider signal of government intent.