Barrons AP Environmental Science

The Mosul Dam in Iraq is considered among the most dangerous dams in the world today. Completed in the ...

heat than passive systems. It relies on three components: a solar collector to absorb the solar ...

Active Figure 8.17 Passive vs. active solar systems A residential photovoltaic system consists of solar ...

■ The supply of solar energy is limitless. ■ The only form of pollution is the manufacturing and disposal ...

Source: U.S. Fish and Wildlife Service Figure 8.18 U.S. growth in electricity produced from wind (199 ...

Figure 8.19 Energy efficiency of various methods that produce electricity PROS ■ All electrical needs of the Uni ...

CONS ■ Steady wind is required to make the investment in wind farms economical; few places are suitable. ■ B ...

Figure 8.20 Hydrogen fuel cell Pros ■ The waste product is pure water. ■ Ordinary water (either ocean wat ...

Nuclear fusion can occur when extremely high temperatures are used to force nuclei of isotopes of light ...

renewables instead. ■ May remove any incentive for restraint in the use of energy. OCEAN WAVES AND TIDAL ENERGY T ...

Figure 8.22 Tide turbine SMALL-SCALE HYDROELECTRIC Small-scale hydropower utilizes small turbines connected ...

ENERGY CONSERVATION Energy Star® is a joint program of the U.S. Environmental Protection Agency and the U.S. ...

■ Add extra insulation and seal air leaks. Improving attic insulation and sealing air leaks can save 10% or ...

incorporated into most smart meters. ■ Concerns about the radio frequency (RF) emissions from smart ...

■ Performance-based tax credits CASE STUDY In 2011, President Obama announced an agreement with 13 large aut ...

CNG stands for compressed natural gas (i.e., methane). Worldwide, there are about 23 million vehicles that use ...

density overcomes the inherent disadvantage of the internal-combustion engine in which 80% of the energy is waste ...

■ The cost equivalent of running on batteries is only about 75 cents per gallon compared to the December ...

worldwide since the delivery of its first Tesla Roadster in 2008, making the electric carmaker the ...

because of the lack of alternative modes of transportation and the potentially larger distance that users must ...