Big environment. Big issues. Little you. If you feel as if there's not much one person can do to make a positive impact on the environment ... Just take a look at these 'Go Green' stamps issued by U.S.Post. They illustrate simple things we each can do every day. With only a few small changes to the way we live. Out of milk? Walk or bike to the store. Repair that drippy faucet—the noise was driving you crazy, anyway. Switch to energy-efficient light bulbs. Put on a sweater instead of turning up the thermostat. Sun dry your sheets—they'll smell wonderful! Is it enough to make a difference? Absolutely. Recycling just one aluminum can reduces waste—and saves enough energy to run a computer for three hours. Multiply that by 10—or 200—cans. Simple insulation like caulking or weather stripping pays for itself with reduced utility bills within one year. Properly inflating your car tires improves gas mileage by as much as three percent. You're not just saving the env
Civil engineering is a professional engineering discipline that deals with the design, construction and maintenance of the physical and naturally built environment, including works such as bridges, roads, canals, dams and buildings.