Climate change is an existential threat to our economy, and ultimately to civilisation as we know it.
'Years of Living Dangerously' is a wonderful opportunity to reach a lot of people with the story and importance of climate change in our lives; in recent history, there's no bigger threat to the quality of human life than what is taking place right now in respect of climate change.
Greenhouse gas pollution, through its contribution to global climate change, presents a significant threat to Americans health and to the environment upon which our economy and security depends.
Climate change constitutes a serious threat to global security, an immediate risk to our national security, and, make no mistake, it will impact how our military defends our country.
That, by the way, is perhaps the most ludicrous comment I've ever heard, that climate change is a bigger threat to our country than radical Islamic terrorism.
Without global action on climate change, Bhutan's tourist and agricultural-based economy faces an acute threat from climate change.
[Barack Obama] believes climate change is a bigger threat to our country than these barbaric Islamic terrorists that have as their organizing principle the destruction of Western civilization.
Climate change is a threat to the conditions in which our economy can function at all.
Climate change is a security threat that Africans have had to deal with all of our lives.
I had hoped all of Congress would recognize that it is imperative for our health, economy, and national security that we address the effects of climate change before they get even worse.
Climate change is a very real threat right now to our economy, the future of our children, to our way of life.
Climate change is the biggest threat to our chances of winning the fight against hunger.
Climate change is and will be a significant threat to our national security and in a larger sense to life on earth as we know it to be.
We must prepare for a changing climate by incorporating climate preparedness into every aspect of our planning - for food, water, health, energy, even national security. We must reduce our emissions to prevent even more dangerous change.
The most profound security threat we face today is global warming....climate change has the capacity to change the way all of us live.
Climate change constitutes a serious threat to global security.