Mrs. Smith

Mrs. Smith's Activity (3)

  • rjones78
    rjones78 added a news bookmark.
    Finding a green fuel that is cheap and plentiful enough to replace fossil fuels is one of the biggest challenges that humans face - Not only because of the global warming issues...
    About 1 year ago
  • rjones78
    rjones78 added a news bookmark.
    Earth Day was born on April 22nd, 1970, when 20 million people across the United States took to the streets to demonstrate support for environmental protection. Today, it has tr...
    About 1 year ago
  • rjones78
    rjones78 added a news bookmark.
    The Earth’s natural power plant — the sun — bathes the planet with more than enough green energy to fulfill all our power needs. However, while we have managed to harness some o...
    About 1 year ago