The timing is tragically ironic. As Super Typhoon Haiyan smashes into the Philippines, negotiators from around the world are beginning to arrive in Warsaw, Poland for the latest installment of the United Nations Climate Talks.
Climate change is starting to wreak damages across the world, showing us vividly that our failure to act has consequences. This damage will only get worse if we fail to do even more to reduce climate pollution.
The aviation sector shouldn't be left off the hook to help address global warming. Next week Secretary Kerry has the chance to help advance an international agreement to cut aviation's global warming pollution. It is time for his leadership on this issue.
To be clear, we are still barreling down the highway to a dangerously warming world. But in the wee hours of the final night's negotiations I asked delegates whether they found any reason to be optimistic about the future as a result of their time in Doha.
Approximately two-thirds of the world's poultry meat and eggs, and more than half of all pork, are now produced in industrial systems, and consumption of animal-based foods is rising, particularly in developing countries.
With the 18th UNFCCC Conference of the Parties (COP 18) entering the crucial final week of negotiations in Doha, Qatar, President Obama once again has the opportunity to lead the world's international community of nations on a sustainable path to a safe and sustainable future.
Last week, the World Bank issued a report suggesting that a temperature rise of more than 4 degrees Celsius (7.2 degrees Fahrenheit) by 2100 could cause widespread crop failures, malnutrition and significant sea-level rise.
The negotiating teams are now tasked under the Durban Platform with identifying a new comprehensive policy architecture. The negotiators are therefore hungry for new ideas, in particular for outside-the-box thinking.
The Island President stars Mohamed Nasheed, the first democratically elected president of the Maldives. Until Nasheed was deposed in what his supporters describe as a coup, he was a leading voice in the fight to stop global warming and rising seas which threaten his homeland.