In the past few months, human beings have come together to fight a global threat. On this week's show, TED speakers explore how our response can be the catalyst to fight another global crisis: climate change

It's easy to feel powerless against looming challenges we cannot control - like climate change. So what should we do? Political strategist Tom Rivett-Carnac says the power is in our mindset.

In 2015, Christiana Figueres helped pave the path to the historic Paris Agreement. She says more than ever we need stubborn optimism - a gritty, determined choice to make change because we have to

For some youth, being part of the solution means focusing their entire lives on the climate crisis. For Xiye <<she-yuh>> Bastida, a 17-year-old climate justice activist, there is no hope without action.

If you had to explain to a newborn what it means to live on Earth, at this time of crisis -- what would you say? Writer, illustrator, and artist Oliver Jeffers gives his answer in a letter to his son.