Developments in 2014 make clear that the impacts of climate change are going to continue to grow, and the struggle to address this will intensify.
President Obama announced Tuesday that he's removing more than 52,000 square miles of waters off Alaska's coast from consideration for oil and gas exploration or drilling.
"We must act now to address global climate change and promote the creation and maintenance of good jobs in the clean energy economy."
The latest in a long series of UN-sponsored talks is convening in Lima, Peru. The goal is to lay the basis for a climate treaty deal in Paris in Nov. 2015.
The new agreement removes one of the right wing's major arguments against action to curb global warming.
With the elections ahead and the People's Climate March a few weeks in the rear view mirror, I'm reminded of a meeting in the Bronx that I attended and spoke at this summer.
It's not just about reforming building regulations and materials, or outfitting buildings with snappy new energy-efficient technology, we also need to get everybody on board.
Without a source of sea ice on which to spend the winter, the mammals have been forced to come ashore seeking refuge, in record numbers, confused and stranded.
From the Chicago climate train full of activists, to the People's Climate March itself, every person there seemed to feel passionately about a particular environmental issue.
Palm oil imports to the U.S. have increased 485 percent in the last decade, and companies producing palm oil are cutting away massive tracts of rainforest.