Barack Obama Quotes

Unfortunately, the issues of climate change, unlike many other issues, are very subtle because the changes we observe are very, very subtle.

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

If enough of us stop looking away and decide that climate change is a crisis worthy of Marshall Plan levels of response, then it will become one.

I think we're all experiencing climate change. Experience is an effective teacher. It's sometimes a very harsh teacher. So we will be taught about climate 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 is a fact. Its consequences, damages and costs are already being felt around the globe.

Climate change is here. We have to learn how to deal with it.

The climate change issue is real and we are seeing its effects right here in South Carolina.

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 the greatest threat of our time.

You can't just do one of the things, because it won't be enough to combat the climate change that we're already starting to experience. It will only get worse.

Twenty-five years ago people could be excused for not knowing much, or doing much, about climate change. Today we have no excuse. No more can it be dismissed as science fiction; we are already feeling the effects.

Climate change...is, simply, the greatest collective challenge we face as a human family.

Climate change: I say the debate is over. We know the science, we see the threat and we know that the time for action is now

When it comes to climate, we can all make a big difference.

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

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

What do we do about climate change bearing down upon us?

A spiritual voice is urgently needed to underline the fact that global warming is already causing human anguish and mortality in our nation and abroad, and much more will occur in the future without rapid action.

You will not solve global climate change by hitting the delete button.

We have great international experts within India telling us that the climate is changing, and actions has to be taken, otherwise China and India would be the countries most to suffer from climate change.

Australia has suffered a decade of drought, epic floods, a Category 5 cyclone, and a plague of locusts. But just because Aussies have the biggest carbon footprint in the world, it doesn't mean they're stupid.

There is an air of unreality in debating these arcane points when the world is changing in such dramatic ways right in front of our eyes because of global warming.

There's no really rosy scenario ahead, where climate change just doesn't happen, but I believe we don't have the ethical right to throw our hands up in the air and say, 'Game over.' Whatever pathway we choose, our descendants will be dealing with that reality for centuries to come.

The effects of climate change are real and must be acted on.