Inequality, climate change, and conflict are evicting millions from their homes. But these perils are being met with 'anti-answers' such as nationalism, closed borders, lies, and hatred.
Change or be changed, right? And what we mean by that is that climate change, if we don't change course, if we don't change our political and economic system, is going to change everything about our physical world.
For reasons we don't have to get into, climate change has become an incredibly polarized issue in the United States. I think that is sad. My own personal view is that we're in a planetary emergency such has not been seen in 600,000 years.
Climate change is a controversial subject, right? People will debate whether there is climate change... that's a whole political debate that I don't want to get into. I want to talk about the frequency of extreme weather situations, which is not political.
Climate change is not an excuse to silence political speech.
Industrialised countries must take the responsibility of helping poorer countries in the climate change action plan.
A Labor prime minister, Julia Gillard, who does believe in climate change, nevertheless advised her predecessor, Kevin Rudd, to abandon his emissions trading scheme.
We must not sacrifice one of our remaining untamed places in reckless pursuit of oil. We know we have to leave oil in the ground, or destructive climate change will become unstoppable. If not in the pristine and vulnerable Arctic Ocean, then where?
Climate change poses a far greater threat to the outdoor industry than even the privatization of the public lands.
Global climate change has a profound impact on the survival and development of mankind. It is a major challenge facing all countries.
Public discourse about climate change has resulted in the erroneous idea that it's all about cost, burden and sacrifice. If the math was correct, everyone would see it's about profit, jobs and competitive advantage.
It is our duty as states, citizens, and industry leaders to make the energy transition a reality with the ultimate aim of reconciling two major priorities: to meet ever-increasing demand and to confront the complex issue of climate change.
There is no doubt our earth is warming and our seas rising - or that humankind is the cause. There is no evidence to refute this - or any genuine scientific counterargument in the climate change debate.
Renewables are critical in our fight against climate change.
Most reputable scientists agree that climate change is real and that the effects are likely to be bad. But nobody can say for sure exactly what 'bad' means. The safest and most equitable way out of this horrific mess is simple: cut fossil-fuel emissions.
Investing now in safe-guarding people by helping them to adapt to climate change, will help save money and lives while building resilience.
The water bodies are reducing everywhere in the Rift Valley. It's not because the water has been used. It's because the rivers flowing to the lakes are reducing because of climate change.
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 saddest fact of climate change - and the chief reason we should be concerned about finding a proper response - is that the countries it will hit hardest are already among the poorest and most long-suffering.
Being at NASA and having the access to both computing capability and satellite observation capability is kind of the ideal research situation to try to understand global climate change.