The world has lost an incredible thinker and doer. I have lost an amazing friend. A void exists where before it was filled with David's optimism, humour and joy.
Christiana Figueres
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At Warsaw Climate Summit, World Awaits Leaders to Stop Posturing and Start Acting
As the Philippines reels from a massive typhoon that reportedly killed 10,000 people, global climate envoys meeting Monday in Poland will begin two weeks of negotiations to lay the groundwork for a comprehensive climate change pact in 2015.
