Buses Head for the Border
Retired school buses provide developing countries a transportation solution—and a whole lot of pollution.
Keeping Bikes on the Road
Biking must be made easier and safer if the U.S. hopes to go from a nation of recreational to commuter cyclists.
For the Love of the Scrub — and Lake Wales Ridge
Protecting the Lake Wales Ridge is one of the most daunting conservation challenges in the U.S., but the high biodiversity & endemism leave us no choice…
Eating Mercury
Who knew that many common snack-food products with high fructose corn syrup also contained trace amounts of mercury, a dangerous neurotoxin…
Goat Power
The San Francisco International Airport & UC Berkeley have called in the local forest fire prevention squad: a team of sure-footed goats…
We will need to replace our house gutters soon
The experts prefer galvanized steel, copper and aluminum gutters for longer life and therefore lower environmental as well as financial cost. Stay away from PVC (polyvinyl chloride), which is hazardous to human health and the environment.
Losing Rivers
A study released last week by researchers from the National Center for Atmospheric Research found that rivers in some of the world’s most populous regions are losing water quickly as a result of climate change.
What is the status of Hawaiian monk seals
Easily exploited by hunters, whalers and fishermen in the 19th century, Hawaiian monk seals essentially never recovered. As early as 1976, the Hawaiian monk seal was listed as endangered under the U.S. Endangered Species Act. The species is also on the International Union
Semana del 26/4/09
Querido DiálogoEcológico: No entiendo porqué hay muchos coches diesel europeos con altas valoraciones de kilometraje que no están disponibles en los E.E.U.U. Agradecería una clarificación.
Querido DiálogoEcológico: ¿Qué significa realmente el término "neutro de carbón" o de "cero saldo de emisiones C02"? ¿Y es realmente posible vivir de tal manera sin recurrir sencillamente a la compra de créditos de carbón?
COMMENTARY: Missing Blue Bins
More than three years after Hurricane Katrina, city officials in New Orleans still haven’t found a way to resume "blue bin" recycling.