The consensus is that climate change ranks along with nuclear warfare as the top two risks facing human civilization.

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

Climate change is new and complex. We don't have all the answers.

We are in the midst of the 6th largest extinction event in the history of the plant and the first caused by human action.

While denial leads to certainty, it is only the certainty of death. This is true for individuals and also for civilizations.

Carbon negative power plants can provide energy while they overcome poverty and change economic values in the right direction.

The sun is the source of all energy on planet Earth and we cannot experiment with our only energy source.

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

The new markets that arise from ecological constraints will dominate the 21st century economy, and so will markets for knowledge.

To survive, humans need food, water, and air. Yet biodiversity, the Earth's bodies of water, and the planet's atmosphere are all under threat.

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

Patience guarantees project that will last for generations.

Our task must be to free ourselves by widening our circle of compassion to embrace all living creatures and the whole of nature and its beauty.

The arc of technology is in the direction of unbreakable encryption, and no laws are going to get in the way of that reality.

As all the perfumes of the vanished dayRise from the earth still moistened with the dewSo from my chastened soul beneath thy rayOld love is born anew.

Two creative spirits in a relationship, I don't think that's the best way to go.

I love you too, sweet sister. But you're a fool. A beautiful golden fool.

All athletes need three things: commitment, discipline and hard work. Without that it's hard to keep running.

Watch out strange cat people, little red roosters on the prowl. If you see my little red rooster, please drive him home.

The more we have the less we own.

Every time I hangout with Sandra Bullock I think I want to be her. I want to be married to Jesse James.