Bill McKibben Quotes

The truth is that climate change is presenting the greatest challenge humanity has ever faced.

The most serious problem facing humankind is climate change.

Climate change is the greatest threat of our time.

Climate change is the greatest threat to our existence in our short history on this planet. Nobody's going to buy their way out of its effects.

It seems clear to me also that climate change is a problem which can no longer be left to our future generation.

Climate change is very real. It is a serious issue it should be treated that way... It is not just ours here in Iowa or even in the United States.

I believe humankind has looked at Climate Change in that same way: as if it were a fiction, happening to someone else’s planet, as if pretending that Climate Change wasn’t real would somehow make it go away.

The warnings about global warming have been extremely clear for a long time. We are facing a global climate crisis. It is deepening. We are entering a period of consequences.

Climate change is real. The science is compelling. And the longer we wait, the harder the problem will be to solve.

There's one issue that will define the contours of this century more dramatically than any other, and that is the urgent and growing threat of a changing climate.

Global climate change is one of the greatest challenges facing humanity in the twenty-first century.

Climate change is a reality.

Climate change is such a consequential crisis to everybody in the world.

We're all agreed that climate change is one of the greatest and most daunting challenges of our age. We have a moral imperative to act and act now.

If we do not act to curb climate change immediately, we will leave our children and grandchildren an unrecognizable planetIt is the poor, those least responsible for climate change and least able to afford adaptation, who would suffer the most.

I'm quite pessimistic about climate change. This is an urgent problem, and much of the world is only now waking up to the easiest part of solving - the realization that anthropogenic global warming is real.

Climate change poses clear, catastrophic threats. We may not agree on the extent, but we certainly can't afford the risk of inaction.

The issue of climate change is one that we ignore at our own peril

The oncoming trouble I speak of is climate change. It's going to affect all of you in the same way the Second World War consumed people of my parent's generation.

Our situation, with global warming and air quality and all of that, has gotten to be catastrophic.

Climate change is real, it is caused by human activity, and it is already causing devastating problems in America and around the world.

In the end, climate change is a math problem.

Can we remain indifferent before the problems associated with such realities as climate change?

I am interested in climate change and other topics too. But this thing is so huge, in the worst case we are talking about the end of our civilization.

The science [of global warming] is beyond dispute... Delay is no longer an option. Denial is no longer an acceptable response