Climate change is due to the use of energy for industrial growth, which has been and is overwhelmingly based on fossil fuels.

Technology is a many-headed monster and perhaps it would be better to regress to a safer past and avoid technological change; it is tempting to think like that.

The "can do" logic, by its own nature, does not accept limits. And an empire does not have a graceful way to evolve out of this role. History demonstrates this time and again.

We need to support our future instead of undermining human survival. Let's do it.

The change in economic values created by the new markets for global public goods will reorient our global economy and under the right conditions can usher the satisfaction of basic needs of the present and of the future. This is what is needed right now.

Geoengineering means changing the Earth's fundamental large-scale processes.

The transformation of capitalism is unstoppable because we need limits on resources for humans to survive.