Billions of people in thousands of cities around the world will soon be at risk from climate-related heat waves, droughts, flooding, food shortages and energy blackouts by mid-century, but many cities are already taking action to blunt such effects, says a new report from a consortium of international organizations.

A new study has uncovered when and why the native vegetation that today dominates much of Australia first expanded across the continent.

Columbia scientists recently visited the Caribbean island of Barbados, whose fossilized coral reefs contain an exquisite record of how the ocean has risen and fallen in the past.

To help predict the future of sea level rise, scientists are studying ancient corals on the island of Barbados.

An international collaboration will study the wasting of the Thwaites glacier, which already accounts for around 4 percent of current global sea-level rise, and could collapse within decades or centuries.

Coastal waters play an important role in the carbon cycle by absorbing carbon into sediments or transferring it to the open ocean, a new study confirms.

The Center for Resilient Cities and Landscapes at GSAPP is dedicated to helping communities thrive in an age of climate uncertainty. Missed the launch event? Watch it here.

Researchers survey the damage to Puerto Rico’s forests in the aftermath of Hurricane Maria.

Ecologist Maria Uriarte investigates the effects of Hurricane Maria on the forests of Puerto Rico, and how long-term climate change may affect them.

The thought that it might be prudent to adapt to climate change and mitigate its impact has occurred to nearly all of the world’s leaders. However, in this country, our President and EPA Administrator are still not convinced there is a climate crisis.