research Archives - Page 2 of 17 - State of the Planet

Scientists Map Huge Undersea Fresh-Water Aquifer Off U.S. Northeast

In a new survey of the sub-seafloor off the U.S. Northeast coast, scientists have made a surprising discovery: a gigantic aquifer of relatively fresh water trapped in porous sediments lying below the salty ocean.

by |June 20, 2019

Melting of Himalayan Glaciers Has Doubled in Recent Years

A new study is the latest and perhaps most convincing indication that climate change is eating the Himalayas’ glaciers, potentially threatening water supplies for hundreds of millions of people across much of Asia.

by |June 19, 2019

How Energy Choices After Fukushima Impacted Human Health and the Environment

A new paper examines CO2 emissions and mortality rates after Japan and Germany shifted away from nuclear power.

by |June 17, 2019
hurricane irma from space

Large Volcanic Eruptions Can Alter Hurricane Strength and Frequency

A new study is the first to untangle the effects of volcanic eruptions and El Niño events on hurricane patterns.

by |April 1, 2019
map of lead samples in cerro de pasco peru

High School Students in Peru Discover Lead Contamination Hotspots

Equipped with a field testing kit originally developed within Columbia’s Earth Institute, the “Lead-Free Kids Peru” project has tested hundreds of soil samples for the toxic metal — and dug up some startling results in the process.

by |March 29, 2019

Hurricane Maria Study Warns: Climate-Driven Storms May Raze Many Tropical Forests

Biodiversity could suffer as result, and more carbon could be added to the atmosphere.

by |March 25, 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
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