Stephen Petranek: Your kids might live on Mars. Here's how they'll survive

It sounds like science fiction, but journalist Stephen Petranek considers it fact: within 20 years, humans will live on Mars. In this provocative talk, Petranek makes the case that humans will become a spacefaring species and describes in fascinating detail how we'll make Mars our next home. "Humans will survive no matter what happens on Earth," Petranek says. "We will never be the last of our kind."

Juan Enriquez: We can reprogram life. How to do it wisely

For four billion years, what lived and died on Earth depended on two principles: natural selection and random mutation. Then humans came along and changed everything — hybridizing plants, breeding animals, altering the environment and even purposefully evolving ourselves. Juan Enriquez provides five guidelines for a future where this ability to program life rapidly accelerates. "This is the single most exciting adventure human beings have been on," Enriquez says. "This is the single greatest superpower humans have ever had."

Best of TED - Jonathan Foley: The other inconvenient truth

A skyrocketing demand for food means that agriculture has become the largest driver of climate change, biodiversity loss and environmental destruction.

Co2 Emissions Visualization

For those who always wanted to know how to save the environment and how much CO2 is created by everyday's objects and actions is worth checking this new visualization, you can also look at reverse and enter a value of CO2 to find out what is producing that amount.
You can also download an offline version on your desktop.
Nice tool!

How Much CO2 Is Created By… | GE Data Visualization