research-home Archives - Page 2 of 11 - State of the Planet

Drill Cores From Pre-Ancient Greece Open Insights to Climate

Newly analyzed drill cores taken from the bottom of Greece’s Gulf of Corinth show that sediment flow into the basin has varied dramatically over the past 500,000-plus years, as the earth passed in and out of ice ages, and humans later dominated the surrounding landscape.

by |March 1, 2019

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

Found: The Mechanism for Arctic Cold Air Outbreaks into Eurasia

New developments in climate research led by atmospheric scientist Yutian Wu are adding to our understanding of the “polar vortex” and other extreme events.

by |February 28, 2019
tsetse fly

Using Machine Learning to Eradicate the Tsetse Fly in Sub-Saharan Africa

A Columbia team is pioneering a machine learning-based imaging and sorting solution that would help to drastically reduce Africa’s tsetse population.

by |February 27, 2019
Plankton

Data Science Students Team Up With Marine Biologist

The students are using deep learning and neural networks to create an automated system that classifies plankton for large-scale oceanographic studies.

by |February 26, 2019
vaccine needle

How to Talk to Anti-Vaxxers

Research assistant Rachel Alter became a “pro-vaccine troll” so you don’t have to.

by |February 8, 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

New Initiative Will Study Conflict Mediators in Medellin, Colombia

The new initiative will explore the techniques that regular people use to de-escalate violence in their communities.

fisherman catching lobster on mesoamerican barrier reef

Scientists Work to Build Climate Change Resilience in Caribbean Coral Reef

A team from Columbia’s Earth Institute is helping to research and design adaptation strategies to help save the world’s second largest barrier reef.

by |January 8, 2019
peter coleman portait

Social Psychologist Studies the Ins and Outs of Navigating Conflict

This holiday season may bring some especially difficult conversations if politics come up. Peter T. Coleman, director of the Morton Deutsch International Center for Cooperation and Conflict Resolution, offers advice.

by |December 24, 2018