Noteworthy News

Heat-Trapping Gas Passes Milestone, Raising Fears
The level of the most important heat-trapping gas in the atmosphere, carbon dioxide, has passed a long-feared milestone, scientists reported Friday, reaching a concentration not seen on the earth for millions of years.
Replanting the Rust Belt
Pittsburgh in springtime is an edible city.
Nanoparticle Tech Could Bring Clean Water to Rural Poor
A water purification system that uses nanotechnology to remove bacteria, viruses and other contaminants may be able to deliver clean drinking water to rural communities for less than $3 a year per family, according to a new study.
Climate change may bring drought to temperate areas, study says
Climate change may increase the risk of extreme rainfall in the tropics and drought in the world's temperate zones, according to a new study led by NASA.
A City That Turns Garbage Into Energy Copes With a Shortage
This is a city that imports garbage. Some comes from England, some from Ireland. Some is from neighboring Sweden. It even has designs on the American market.
In Montana, ranchers line up against coal
So even though people may be complaining about coal development and how dirty rotten bad it is, it pays a lot of bills in the state of Montana.
Climate Change's Human Connection Explained
By the mid-1990s, it was possible to investigate the causal mechanisms behind changes in Earth's climate using relatively sophisticated mathematical models of Earth's climate. 
Keeling Curve Website Wants You To Know When CO2 Levels Hit 400 Parts Per Million
On Monday, Hawaii’s Mauna Loa Observatory measured CO2 levels in the air of 398.36 parts per million (ppm).
California suspends operations at Vernon battery recycler
Toxics regulators say Exide Technologies has been releasing hazardous waste into the soil beneath its plant because of a degraded pipeline.
State Of The Air 2013: American Lung Association Report Reveals America's Most Polluted Cities
Air quality continues to improve across the United States, but over 40 percent of Americans live in counties with unhealthy levels of particle or ozone pollution.