Are efficiency and technology the key to sustainable energy?

Paul RacetteEnergy

Experts call for the worldwide introduction of price signals for carbon emissions, the development of technologies for capturing and sequestering carbon from coal and other fossil fuels, and the acceleration of the development and deployment of renewable-energy technologies.  A doubling of public and private expenditure on critical energy technologies is also needed, along with cutting subsidies to established energy industries … Read More

Antarctic snowmelt progresses inland

Paul RacetteClimate

Using 20  years of data from satellite observations, NASA scientists have confirmed that snow has been melting further inland and at higher elevations in Antarctica. Warmer temperatures are probably responsible for these phenomena, says the team.

Atmospheric carbon dioxide increasing faster than expected

Paul RacetteClimate

A  new study performed by researchers working at the Global Carbon Project, at the University of East Anglia and the British Antarctic Survey, shows that the growth rate of carbon dioxide emissions has increased from 1.3% to 3.3% each year since 2000. The study shows that global carbon dioxide emissions from all human activities had increased   35% over  the … Read More

Drug-Resistant Staph Killed More Americans Than AIDS in 2005

Paul RacetteHealth

A study published in the “Journal of the American Medical Association” shows that infections caused by   anti-bacterial resistant staph infections are no longer confined to hospitals and are increasingly found in community settings such as schools and pose a major health threat.

U.S. Senators Propose Compulsory Greenhouse Gas Cuts

Paul RacettePolitics

A bipartisan bill introduced in the U.S. Senate proposes mandatory, not voluntary, limits on greenhouse gases with the goal of reducing the nation’s emissions more than 60 percent by mid-century.     Is this too little? Too late?

Human Behavior, Global Warming, and the Ubiquitous Plastic Bag

Paul RacetteEconomy, Energy

Americans use 100 billion plastic bags a year that require an estimated 12 million barrels of oil to produce. What can be done to curb America’s insatiable desire to consume disposable waste products? I confess… I too fail to use alternatives when going to the store, although I usually decline and give back the plastic bags when I can carry … Read More

Grim Outlook for Polar Bears

Paul RacetteBiodiversity, Ecosystems

If emissions of greenhouse gases and resulting global and Arctic warming continue apace, the study said, two-thirds of the 22,000 or so bears will disappear by midcentury. Some bear experts see that prognosis as overly dire.

Australian Fires Add to Fears on Climate Change

Paul RacetteClimate, Disasters, Politics

Extreme weather, including a drought that has persisted in some places for six years, has focused the Australian public on climate change, and it is shaping up as a major issue in the general elections that are expected to be called in the next few weeks.