Photographer James Balog shares new image sequences from the Extreme Ice Survey, a network of time-lapse cameras recording glaciers receding at an alarming rate, some of the most vivid evidence yet of climate change.

TED Talks series: James Balog- Time-lapse proof of extreme ice loss

Al Gore presents updated slides from around the globe to make the case that worrying climate trends are even worse than scientists predicted, and to make clear his oppository stance on "clean coal."

TED Talks series: Al Gore- Alarming new slides of the worsening climate crisis

Human growth has strained the Earth's resources, but as John Rockstrom reminds us, our advances also give us the science to recognize this and change behavior. His research has found nine "planetary boundaries" that can guide us in protecting our planet's many overlapping ecosystems.

TED Talks series: Johan Rockstrom- Let the environment guide our development

Science columnist Lee Hotz describes a remarkable project at West Antarctic Ice Sheet (WAIS) Divide, Antarctica, where a hardy team are drilling into ten-thousand-year-old ice to extract vital data on our changing climate.

TED Talks series: Lee Hotz- Inside an Antarctic time machine

In the Gulf oil spill's aftermath, Lisa Margonelli says drilling moratoriums and executive ousters make for good theater, but distract from the issue at its heart: our unrestrained oil consumption. She shares her bold plan to wean America off of oil -- by confronting consumers with its real cost.

TED Talks series: Lisa Margonelli- The political chemistry of oil

At TEDxUSC, Jane Poynter tells her story of living two years and 20 minutes in Biosphere 2 -- an experience that provoked her to explore how we might sustain life in the harshest of environments.

TED Talks series: Jane Poynter- Life in Biosphere 2

"I don't think we're going to make it," John Doerr says in an emotional talk about climate change and investment. To create a world fit for his daughter to live in, he says, we need to invest now in clean, green energy.

NCSE - project CAMEL

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