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Mining pollution turns river red

Mining Pollution Limits Access to Clean Water in Papua New Guinea

A new report documents the social, environmental, economic, and health impacts of gold mining in Porgera, Papua New Guinea.

A water reservoir in the Louga region of Northern Senegal.

How Pollution and Greenhouse Gases Affect the Climate in the Sahel

A recent study is the first to show that pollutants and greenhouse gas emissions have directly affected the 20th century evolution of rainfall over a region.

by |March 13, 2019
shade-grown coffee bushes grow under trees

Shade-Grown Coffee Helps Ecosystems and Farmers

A new study finds that coffee farmers could be better off financially if they used shade-growing practices for part of their production.

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