Pollution Archives - State of the Planet

Study Locates Origins of Glacier Soot Pollution in Northern India

By sampling snow from glaciers and tracking pollutants back to their source, the study reveals pathways to reduce harmful pollution in the Indian Western Himalayas.

by |February 3, 2021

Why Climate Change is an Environmental Justice Issue

Climate change is a threat to everyone, but some groups—socially and economically disadvantaged ones—face the greatest risks.

by |September 22, 2020
earth day march 1970

What the First Earth Day Achieved

And what we can learn from its success.

by |April 21, 2020

Increasingly Mobile Sea Ice Means Arctic Neighbors May Pollute Each Others’ Waters

The movement of sea ice between Arctic countries is expected to significantly increase this century, raising the risk of more widely transporting pollutants like microplastics and oil, according to new research.

by |March 18, 2020

You Asked About River Salinity and Water Pollution

A Columbia Water Center staffer answers questions about salinization and water pollution.

by |May 3, 2019

In India, Dirty Air Kills as Easily in the Country as in the City

A forthcoming study of northern India suggests that people living in rural areas are as likely to die prematurely from the effects of poor air quality as those living in cities.

by |May 16, 2018

Global Environment Report Card Sees Dirty Air, Failing Fisheries

Many countries are making progress on improving water sanitation and protecting marine ecosystems. But air pollution continues as a leading health problem in many nations, and fisheries are deteriorating almost everywhere.

by |January 23, 2018
scott pruitt

Columbia Environmental Law Clinic Challenges EPA’s Scott Pruitt on Behalf of Scientists

The lawsuit filed today asserts that Scott Pruitt’s ban on EPA-funded scientists on EPA advisory boards is illegal, undermines the integrity of science, and threatens public health.

by |December 21, 2017

The Human and Financial Cost of Pollution

We need to ensure that our air, water and soil is free of poisons and to do that we need to take pollution control more seriously than we do today. Many industries have found that environmental regulation is compatible with long term production and profits.

by |October 23, 2017
soil sampling kit

High Levels of Lead Contaminate Many Backyards in Brooklyn Neighborhood

An ongoing study finds that 92 percent of private yards in Greenpoint may have unsafe levels of lead in their soil.

by |October 9, 2017