• Envisioning success—starting with the Amazon

    Humanity’s grand challenge for the 21st century is not just to manage global climate change, but also to feed and otherwise help a population of 10 or 11 billion people to prosper, and at the same time preserve essential natural systems upon which our well-being and livelihoods are based.

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  • The integrity of marching for science

    Perhaps the most remarkable thing about last week’s March for Science is that it should have been necessary in the first place. One would think that the many benefits of science would be manifest and beyond dispute.

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  • Dangerously Dishonest

    In his confirmation hearings and again last week on CNBC, EPA chief Scott Pruitt expressed doubt about the human role in climate change, indicating that more “review and analysis” is needed to better understand that role.

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  • A clear choice

    This is a pivotal moment that presents unprecedented risks and challenges. The issues go well beyond an administration that refuses to address climate change.

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  • No excuses for climate inaction

    In his confirmation hearing this week, the nominee to lead the EPA, Scott Pruitt, generously acknowledged that climate change is not a hoax (thank you), but then went on to say that the extent of a human role in climate change is uncertain

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  • It begins badly

    With the nomination of a fossil-fuel executive to head the State Department—the agency that manages US participation in the United Nations climate process—and climate change deniers to head the Environmental Protection Agency (EPA) and the Department of Energy (DoE)

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  • How can we make progress on climate change in the Trump era?

    The incoming administration has pledged to cut funding for global change research and to withdraw from the Paris climate agreement, the internationally agreed-upon road map for controlling global climate change.

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  • More Important Than Ever

    Dear Friends, Last night, U.S. voters elected a presidential candidate who publicly disputes the validity of climate science. Many of our friends and partners are distressed by the uncertain path ahead.

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  • Moving past gridlock towards climate solutions

    The spectacular and destructive rhetoric of this year’s presidential campaign has limited substantive discussion of policy, and has obscured such discussion as did occur.

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  • Forest bioenergy: How “clean” is it?

    I was dismayed to see myself described in a recent Washington Post article as “a prominent critic of forest bioenergy”—burning wood to generate electricity or heat. Not that I mind being regarded as prominent, of course, but the issue of forest bioenergy deserves a more nuanced stance

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