State of the Planet

News from the Columbia Climate School

climate variability2

  • Fears of a Double Dip…La Niña

    Fears of a Double Dip…La Niña

    You’d be forgiven for thinking its 2008 and not just because of the economic uncertainty. Is there a dreaded double dip La Niña in store, too?

  • Climate Cycles Are Driving Wars, Says Study

    When El Niño Warmth Hits, Tropical Conflicts Double

  • The Role of Drought in the Horn of Africa Famine

    The Role of Drought in the Horn of Africa Famine

    Let’s get this out of the way. The current famine in the Horn of Africa isn’t caused by drought. Rather, a complex mix of societal and political factors created a dangerous situation. The worst drought in 60 years (pdf) is what pushed that situation over the edge into a humanitarian crisis. However, just as these…

  • Climate Forecasting: Oceans, Droughts, Climate Change and Other Tools of the Trade

    Climate Forecasting: Oceans, Droughts, Climate Change and Other Tools of the Trade

    At the International Research Institute for Climate and Society’s monthly climate briefing, talk often focuses on the role that El Niño or La Niña play in driving global climate. With the collapse of La Niña last month, though, IRI’s forecasters now have to rely on different tools to offer forecasts for the coming year. That’s…

  • R.I.P. La Niña

    R.I.P. La Niña

    La Niña, we hardly knew ye. This year’s iteration of the climate phenomenon nearly set records for strength and riled up world weather for nine months. Now it’s dead. What’s next?

  • La Niña Still Hanging On

    La Niña Still Hanging On

    IRI’s latest climate briefing shows a weak La Niña still hanging around. The big question is what will happen next?

  • Before the Flood—Predicting the Deluge

    Before the Flood—Predicting the Deluge

    The Columbia Global Flood Project is based on the conviction that while human beings may not have direct control of where and how much rain falls, there is a great deal more that can be done to manage the risk of extreme flooding around the world.

  • La Niña Subsiding, Atlantic Climate Phenomenon Forming

    La Niña Subsiding, Atlantic Climate Phenomenon Forming

    A return to near normal conditions in the Pacific doesn’t mean there aren’t other interesting climatic phenomenon afoot.

  • Did Climate Influence Angkor’s Collapse?

    Evidence Suggests Changing Environment Can Bring Down a Civilization

  • Fears of a Double Dip…La Niña

    Fears of a Double Dip…La Niña

    You’d be forgiven for thinking its 2008 and not just because of the economic uncertainty. Is there a dreaded double dip La Niña in store, too?

  • Climate Cycles Are Driving Wars, Says Study

    When El Niño Warmth Hits, Tropical Conflicts Double

  • The Role of Drought in the Horn of Africa Famine

    The Role of Drought in the Horn of Africa Famine

    Let’s get this out of the way. The current famine in the Horn of Africa isn’t caused by drought. Rather, a complex mix of societal and political factors created a dangerous situation. The worst drought in 60 years (pdf) is what pushed that situation over the edge into a humanitarian crisis. However, just as these…

  • Climate Forecasting: Oceans, Droughts, Climate Change and Other Tools of the Trade

    Climate Forecasting: Oceans, Droughts, Climate Change and Other Tools of the Trade

    At the International Research Institute for Climate and Society’s monthly climate briefing, talk often focuses on the role that El Niño or La Niña play in driving global climate. With the collapse of La Niña last month, though, IRI’s forecasters now have to rely on different tools to offer forecasts for the coming year. That’s…

  • R.I.P. La Niña

    R.I.P. La Niña

    La Niña, we hardly knew ye. This year’s iteration of the climate phenomenon nearly set records for strength and riled up world weather for nine months. Now it’s dead. What’s next?

  • La Niña Still Hanging On

    La Niña Still Hanging On

    IRI’s latest climate briefing shows a weak La Niña still hanging around. The big question is what will happen next?

  • Before the Flood—Predicting the Deluge

    Before the Flood—Predicting the Deluge

    The Columbia Global Flood Project is based on the conviction that while human beings may not have direct control of where and how much rain falls, there is a great deal more that can be done to manage the risk of extreme flooding around the world.

  • La Niña Subsiding, Atlantic Climate Phenomenon Forming

    La Niña Subsiding, Atlantic Climate Phenomenon Forming

    A return to near normal conditions in the Pacific doesn’t mean there aren’t other interesting climatic phenomenon afoot.

  • Did Climate Influence Angkor’s Collapse?

    Evidence Suggests Changing Environment Can Bring Down a Civilization