As difficult as it is to eliminate the risk of nuclear warfare, it requires fewer changes to the global economy than does averting or reversing climate change.

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.

They are the humans who are intelligent enough to have insight of every single molecular underpinning of the warmth of love, and yet not let that factual knowledge ruin the romance in a relationship.

There is nothing stronger then our own thoughts, when we that can control life will be more Easier.

She waits for his reprimand or words of disapproval.He kisses her instead. Hard. Lips demanding, fingers tightening on her chin. He consumes her with this single act.

Stand firm. Stand tall.You are a tower of God.

I wish I had more time to visit schools.

Decadence is the total loss of unconsciousness, which is the very basis of life. Could it think, the heart would stop beating.

I was very successful from a very early age, and I want to keep it.

A likely source for terrorists seeking to buy or steal nuclear materials is the former Soviet Union.

Courage conquers all things.

To walk abroad is, not with eyes, But thoughts, the fields to see and prize; Else may the silent feet, Like logs of wood, Move up and down, and see no good, Nor Jor nor glory meet.