Climate Science Archives - State of the Planet

New Tree Ring Analysis Method May Open Insights to Past Climate

Measurements of stable isotopes in tree rings may expand the climate information that scientists can get from old trees.

by |February 28, 2019

Wallace Broecker, Prophet of Climate Change

Wallace Broecker, a geochemist who initiated key research into the history of earth’s climate and humans’ influence upon it, died Feb. 18 in New York. He was 87.

by |February 19, 2019

Confirming Long-Term Trend, 2018 Was Fourth Warmest Year on Record

Earth’s global surface temperatures in 2018 were the fourth warmest since modern record keeping began in the 1880s, according to independent analyses by NASA and the National Oceanic and Atmospheric Administration.

by |February 6, 2019

Autonomous Robots Carry Out First Long-Term Missions Under Antarctic Ice

A team of autonomous ocean robots deployed in January 2018 has carried out the first year-long observations under an Antarctic ice shelf.

by |January 24, 2019

Uncovering the Future of Greenland’s Ice Sheet

Joerg Schaefer and Gisela Winckler, scientists at Lamont-Doherty Earth Observatory, received funding from the Center for Climate and Life to examine the vulnerability of Greenland’s massive ice sheet.

by |January 22, 2019

Climate-Driven Fires Could Turn Yellowstone Forests to Grassland By Midcentury

A new study shows that some of Yellowstone National Park’s forests may be at a climate tipping point, and could be replaced by grassland by the middle of this century.

by |January 17, 2019

American Geophysical Union 2018: Key Events From the Earth Institute

The American Geophysical Union fall meeting takes place Dec. 10-14 in Washington, D.C. Here is a guide to key talks and other events from Columbia’s Earth Institute.

by |December 3, 2018

A New Primer on Climate Change

A Q&A with Jason Smerdon, coauthor of the newly revised Climate Change: The Science of Global Warming and Our Energy Future.

by |November 14, 2018

M.S. Sustainability Science Student Aims To Make Scientific Models Accessible For Communities

Isabela Brown wants to use her graduate degree to integrate social, political, and scientific frameworks into environmental models.

by |November 2, 2018

Researchers Say an 1800s Global Famine Could Happen Again

The Global Famine was one of the worst humanitarian disasters in history, killing as many people as World War II. A new analysis suggests it could happen again, only worse because of climate change.

by |October 12, 2018