State of the Planet

News from the Columbia Climate School

ocean acidification3

  • Goals for Rio: A Path to Sustainability

    Goals for Rio: A Path to Sustainability

    In an article published in The Lancet, Earth Institute Director Jeffrey Sachs outlines his own ideas for sustainable development goals, and how how these goals can build on the Millennium Development Goals, the UN’s set of targets that aim to reduce extreme poverty and boost social well-being in many other ways by 2015.

  • Healthy Oceans: Charting A New Course

    Healthy Oceans: Charting A New Course

    Leading up to Rio+20, on April 25th the United Nations hosted “Healthy Oceans: Charting A New Course,” a panel discussion which brought together a range of experts to discuss the fate of the world’s oceans and what can be done to protect them.

  • Ocean Acidification: Geologic Record Adds New Warning

    Ocean Acidification: Geologic Record Adds New Warning

    A new study in Science finds that the oceans may be acidifying faster today from industrial emissions than they did during four major extinctions in the last 300 million years when carbon levels spiked naturally.

  • From Distant Past, Lessons on Ocean Acidification

    From Distant Past, Lessons on Ocean Acidification

    Oceans turned more acidic during a period of great warming some 56 million years ago, causing an extinction of bottom-dwelling marine species known as foraminifera, a scenario that may be happening again now, only much more quickly.

  • Have We Crossed the 9 Planetary Boundaries?

    Have We Crossed the 9 Planetary Boundaries?

    “The world needs to awaken itself to the looming catastrophe of global warming,” said Jeffrey Sachs, Director of the Earth Institute, at a recent meeting in Muscat. “We must provide a safe operating space where vested interest and lobby-driven policies will not see the world marching into disaster.”

  • Losing Our Coral Reefs

    Losing Our Coral Reefs

    Coral reefs, the “rainforests of the sea,” are some of the most biodiverse and productive ecosystems on earth. But tragically, they are in crisis.

  • Sea Change

    Bärbel Hönisch, an expert on ocean acidification at Columbia, will speak after a screening of the film “A Sea Change” this Thursday.

  • Goals for Rio: A Path to Sustainability

    Goals for Rio: A Path to Sustainability

    In an article published in The Lancet, Earth Institute Director Jeffrey Sachs outlines his own ideas for sustainable development goals, and how how these goals can build on the Millennium Development Goals, the UN’s set of targets that aim to reduce extreme poverty and boost social well-being in many other ways by 2015.

  • Healthy Oceans: Charting A New Course

    Healthy Oceans: Charting A New Course

    Leading up to Rio+20, on April 25th the United Nations hosted “Healthy Oceans: Charting A New Course,” a panel discussion which brought together a range of experts to discuss the fate of the world’s oceans and what can be done to protect them.

  • Ocean Acidification: Geologic Record Adds New Warning

    Ocean Acidification: Geologic Record Adds New Warning

    A new study in Science finds that the oceans may be acidifying faster today from industrial emissions than they did during four major extinctions in the last 300 million years when carbon levels spiked naturally.

  • From Distant Past, Lessons on Ocean Acidification

    From Distant Past, Lessons on Ocean Acidification

    Oceans turned more acidic during a period of great warming some 56 million years ago, causing an extinction of bottom-dwelling marine species known as foraminifera, a scenario that may be happening again now, only much more quickly.

  • Have We Crossed the 9 Planetary Boundaries?

    Have We Crossed the 9 Planetary Boundaries?

    “The world needs to awaken itself to the looming catastrophe of global warming,” said Jeffrey Sachs, Director of the Earth Institute, at a recent meeting in Muscat. “We must provide a safe operating space where vested interest and lobby-driven policies will not see the world marching into disaster.”

  • Losing Our Coral Reefs

    Losing Our Coral Reefs

    Coral reefs, the “rainforests of the sea,” are some of the most biodiverse and productive ecosystems on earth. But tragically, they are in crisis.

  • Sea Change

    Bärbel Hönisch, an expert on ocean acidification at Columbia, will speak after a screening of the film “A Sea Change” this Thursday.