Scientists estimate that up to one-third of U.S. species are at increased risk of extinction, and more than 1,300 U.S. plants and animals already have been federally listed as threatened or endangered and protected under the Endangered Species Act.
On a time-of-use rate, you can lower your bill by shifting when you use energy to partial-peak and off-peak hours. Rates during partial-peak and off-peak hours of the day are lower than the rates during the peak hours of 12 - 6 p.m. on weekdays.
Adults in the United States will spend more than five hours each day on nonvoice mobile activities, including Internet use on phones and tablets, and about four-and-a-half hours watching TV, according to the study, which looked at data from a variety of sources including academic publications and audience measurement outlets.