“If we want to give back to future generations what we have taken for granted, we have to understand the planet as a natural resource bank account. In other words, we need to start investing in depleted capital and live off the interest instead. There are plenty of individuals from both countries who are conscious of these things and trying to do better. But, we need to do much better as a global society. All countries need to communicate the importance of this life support system and protect this web of life. We must be able to live with the planet and not on it.”

What I learned from spending 31 days underwater https://www.ted.com/talks/fabien_cousteau_what_i_learned_from_spending_31_days_underwater (October 2014)

On the Paris Agreement, as quoted in " Factbox: World reacts to new climate accord http://www.reuters.com/article/us-climatechange-summit-reaction-factbox-idUSKBN0TV0Q420151213", Reuters (12 December 2015)

Testimony before the House Interior Committee (5 February 1981)
1980s

CNN Democratic Primary Debate

From "Living Fearlessly in a Fearless World" Ignatieff Commencement Address to Whitman College (USA), 2004

Paraphrased variant: We do not need magic to change the world, we carry all the power we need inside ourselves already: we have the power to imagine better.
Harvard address (2008)

The New York Times (11 December 2005)

Source: Les Misérables