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In a quiet and moving way, David shares the bottom line: if the assumptions upon which we've built our society change, then not only will it be very costly to deal with, but it will make our other problems harder and more costly too.
Having lived through Katrina in New Orleans, David describes a feeling of responsibility that has stayed with him.
As a researcher, David understands climate change very well. But it's as a father and community member that he really cares about what it means. See if you feel the same way.
Losing their house in the New Orleans flood, David offers us a heartfelt perspective on what people will face when natural disasters strike.
Ever wonder what paleoclimatology is? It's a critical part of climatology which studies how the climate has changed in the past. David explains how it works.
Like all parents, David has a basic hope that our kids will live in a stable society, where they can freely make plans for their future. While all generations face challenges, he urges us to consider that climate change will make all of society's other problems more difficult and burdensome. See if you agree.
What would you call progress? For David, it's seeing that we're moving past debates about whether or not climate change is real, to discussing solutions.
A responsibility to our kids, to the world we leave them, and so to do something.
Listen as David urges us not to be silent about climate change. It needs to be part of our political discourse!
As a paleoclimatologist, David studies the history of the climate, noting that it's varied quite widely in the past, and this tells us a lot about what to expect in the present. He also has a family that he's happy to tell you about!
Like scientists generally, David spends his time analyzing one piece of the pie. But he finds it useful for himself and hopefully for us too to step back and remind ourselves of the overall picture.
Here in a quick nutshell are the basics of climate change.