If we are to save humanity and the planet from the worst mass extinction of all time, worse even than that at the end of the Permian, we must stop at….

Once the 'portals of the future close - in Amazonia, Siberia or the Arctic - we will find ourselves powerless to affect the outcome of this dreadful ….

At 1.24 am on 26 April 1986 Chernobyl’s Unit 4 reactor exploded after staff disabled safety systems and performed an ill-advised experiment to check ….

We humans, one species of animal amongst millions, have now become the de facto guardians of the planet's climate stability..

Human releases of carbon dioxide are almost certainly happening faster than any natural carbon release since the beginning of life on Earth..

I discovered science, and in the process I hope I became a better environmentalist..

If substantial methyl hydrate melt begins to occur in the Arctic Ocean basin, then the (carbon) accelerator will be jammed, and there will be nothing….

I am also sorry that I helped to start the anti-GM movement back in the mid 1990s, and that I thereby assisted in demonizing an important technologic….

You'd be forgiven for thinking that climate change means we'll have to sacrifice our creature comforts. But it doesn't have to be that way..

We no longer need to discuss whether or not it is safe – over a decade and a half with three trillion GM meals eaten there has never been a single su….

The worst case scenario sees the Amazon rainforest burning, huge amounts of methane being released by Siberian peat bogs and so on - by the time toda….

Silent Summer - a never-ending heat wave, devoid of birdsong, insect hum, and all the weird and wonderful living noises that subconsciously keep us c….

Our evolutionary psychology preconditions us not to respond to threats which can be postponed until later..

I wonder what sentences judges might hand down at future international criminal tribunals on those who will be partially but directly responsible for….

Only by advocating 'politically unrealistic' CO2 concentrations can runaway global warming be avoided. But what is politically realistic for humans i….

An outdated view still prevails that a low-carbon lifestyle requires immense personal suffering and sacrifice. In my view, nothing could be further f….

Unless we decide to reduce greenhouse gas emissions within just a few years from now, our destinies will already be chosen and our path towards hell ….

This is like playing Russian roulette with a Luger rather than a revolver. One bullet, one chamber - and we're pulling the trigger..

Conventional economic theory... counts the depletion of resources as the accumulation of wealth..