Ted Talks Daily

Clearing tropical forests isn't just dangerous to the natural world — it's also a threat to human health and wellbeing, says physician Neil Vora. Tracing how environmental devastation led to deadly epidemics like Ebola, he presents three ways deforestation unleashes disease and calls on each of us to help preserve the delicate ecological balance we depend upon.

South Africa transitioned to democracy in the 1990s with a visionary constitution, but the promises of that constitution are largely unfulfilled to this day. Public leader Lindiwe Mazibuko explores how poor leadership failed to deliver a better life for the country's citizens — and shares her mission to cultivate a new generation of ethical leaders who can revitalize democracy in South Africa and beyond.

Tackling climate change costs a lot of money — and the financial sector is key to getting that money flowing. In a wide-ranging conversation, sustainable investment leaders Nili Gilbert and David Blood discuss where progress is being made on climate solutions, where capital still needs to move faster and why this is an unprecedented opportunity for sustainable growth.

Our culture is obsessed with happiness, but what if there's a more fulfilling path? Happiness comes and goes, says writer Emily Esfahani Smith, but having meaning in life -- serving something beyond yourself and developing the best within you -- gives you something to hold onto. Learn more about the difference between being happy and having meaning as Esfahani Smith offers four pillars of a meaningful life.