With strategies ranging from flying off-hours to clearing cookies from your computer, you can rack up savings on airfare.
More than a million birds and bats are killed annually by wind turbines, but fatalities are cut if the turbines are located offshore and are turned off during low wind speeds.
The journal Pediatrics reports that children under the age of 2 are more likely to eat French fries than healthy vegetables on any given day and many eat no veggies at all.
Instead of burning fallen tree leaves or carting them to the landfill, we can use them as mulch to enrich the soil and discourage pests.
A huge Colorado feedlot that supplies organic milk to Walmart and Costco has come under scrutiny after satellite imagery raised questions about whether it complies with outdoor grazing rules.
To safely dispose of 56 million gallons of nuclear waste dating back to the Second World War, the Department of Energy might replace a glass-log encasement plan with a cement option.
Schools in Finland and New Orleans are pioneering new ways to involve students in a more collaborative education model.
Computer algorithms helped Israeli researchers decode the language of Egyptian fruit bats and discover that bats exchange information about specific problems.
Easily movable mini-houses now range from the functional to the outlandish, including abodes mounted on tractors and shopping carts and ones attachable to rock faces.
A 40-foot-long Winnebago called the Digibus rolled through central California towns to train kids and adults in computer and job-searching skills.