Stories by Colin Sullivan

If left unconstrained, global warming could wreak havoc on the Big Apple

Government officials see slow, hard work to engage U.S. public on sea-level rise

New U.N. estimates suggest 9.6 billion people by 2050

Overgrazing has been a major cause of the creeping advance of deserts worldwide, but new management techniques might make livestock part of the solution

The Rio+20 event next week looks set to produce little, based on early negotiations

Investing in the health and education of the world's youth could help reduce population impacts

We need to construct a city of one million people every five days for the next 40 years to accommodate the population explosion, a researcher says

A large dam, gate or lock to manage tidal flows could help locals cope with anticipated sea level rise from climate change

Seawater and calcium can be used to remove carbon dioxide from flue gas, and the resulting calcium bicarbonate can be pumped back into the sea to help marine life

A new report from the National Resources Defense Council and the Rocky Mountain Climate Organization concludes that 10 national parks in California could be headed for steep temperature increases over the next century

Scientists at Stanford University claim a "breakthrough" that could harness energy lost as heat in solar cells

Technological advances in agriculture helped reduce greenhouse gas emissions by reducing the need to convert forests to farmland

Plug-in electric cars could destabilize the distribution of power

Project Kaisei will chart the vortex of discarded plastic--and see if it might be recycleable

The Ford scion believes it's a "cool time" to be part of the auto industry, despite ailing U.S. automakers

Canceled projects and technological challenges postpone harnessing the power of waves and tides

Biofuels, electricity and hydrogen will all feature on California's highway of tomorrow