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.
Much of the growth in time spent on mobile devices will come from people spending more time within apps. In 2015, US smartphone and tablet users will spend an average of 3 hours and 5 minutes a day using mobile apps, up from 2 hours 51 minutes in 2014. By 2016, mobile device users will spend 3 hours 15 minutes per day using apps.