Symphony of Science – Our Biggest Challenge
3:49 | Musikalsk opfordring til at gøre noget ved klimaproblemerne. Featuring Bill Nye, David Attenborough, Richard Alley and Isaac Asimov.
How to Talk to an Ostrich – “We’re not Addicted to Burning!”
3:04 | What happens if we burn through all the coal and oil, and shale gas?
How to talk to an Ostrich: “Global Warming Stopped in 1998!”
2:36 | Geoscientist and climate expert Richard Alley connects the dots of temperature to show the difference between short-term trends and long term direction.
How to talk to an Ostrich: “IT’S US”
2:40 | Richard Alley address a common argument about climate change: that increasing amounts of carbon dioxide, CO2, are coming from natural sources, like volcanoes.
How to Talk to an Ostrich: Today’s CO2 is nothing Special
3:25 | When Earth was much, much hotter it was fine for dinosaurs. We might not like it quite so much.
How to talk to an Ostrich: “We don’t know enough…”
2:21 | It’s true that Earth’s a massive jigsaw puzzle, with lots of pieces intricately fitting together. But, Richard Alley argues, we already know enough to see the Big Picture.
How to Talk to an Ostrich: “We can’t Afford Clean Energy”
4:18 | Some people say transitioning to clean energy will simply cost too much – “leave it to future generations.”
Renewables Roundup
7:24 | Richard Alley puts numbers on global renewable resources: solar, wind, geothermal, biomass and conservation.
Earth: The Operators’ Manual, 2011 version, program 1
53:42 | Richard Alley explains the essential science of climate change, and the promise of renewable energy.