air pollution Archives - State of the Planet

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Planting a Park on the Cross-Bronx Expressway Would Save Money and Lives

Public health researchers run the numbers on creating a park on top of a section of the highway, finding it a worthwhile investment for community health.

by |February 1, 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
Agricultural fires like this one in Kenya are one source of air pollution in Africa.

Air Pollution May Kill More Africans Than HIV/AIDS

Researcher calls attention to a largely under-recognized health threat.

by |December 18, 2017

NASA Finds New Way to Track Ozone By Satellite

Ozone pollution near Earth’s surface is one of the main ingredients of summertime smog. But it not directly measurable from space, due to the abundance of ozone higher in the atmosphere, which masks the surface. Now, researchers have devised a way to use satellite measurements of the precursor gases that contribute to ozone formation to predict when and where ozone will form.

by |November 6, 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

Reduced U.S. Air Pollution Will Boost Rainfall in Africa’s Sahel, Says Study

If U.S. sulfur dioxide emissions are cut to zero by 2100, as some researchers have projected they will be, rainfall over Africa’s Sahel region could increase up to 10 percent from 2000 levels, computer simulations suggest.

by |May 22, 2017

With a Little Software Magic, Students Create Pollution Solutions

Undergraduate sustainability students explored innovative software and 3D printing to create a set of possible solutions to help Singapore cope with a big problem: haze and air pollution drifting over the city state from burning forests in neighboring Indonesia.

by |April 20, 2017

Spring 2017 Undergraduate Research Assistant Opportunities

Undergraduates from Columbia and Barnard will be able to serve as research assistants on research projects related to sustainable development and the environment with distinguished faculty and researchers at the cutting edge of this burgeoning field.

by |December 28, 2016

2015 Indonesia Fires Killed 100,000 People, Says Study

In fall 2015, smoke from agricultural fires in Indonesia blanketed much of equatorial Asia. Schools and businesses closed, planes were grounded and tens of thousands of people sought treatment for respiratory illnesses. In a new study, researchers estimate that the smoke caused upward of 100,000 deaths across Indonesia, Malaysia, and Singapore.

by |September 19, 2016

By the Numbers: Air Quality and Pollution in New York City

New York City is known for many things, but having clean air isn’t one of them. Explore some of the issues and challenges the Big Apple faces in clearing NYC’s air through interactive maps and data.