MS-ESS3-4

Construct an argument supported by evidence for how increases in human population and per-capita consumption of natural resources impact Earth's systems.

  1. Chemistry

    Plant-powered plastics

    Scientists are using green materials to create more Earth-friendly plastics.

    By Sharon Oosthoek
  2. Environment

    Swirling seas of plastic trash

    Long-lasting oceanic garbage threatens marine life.

    By Amanda Rose Martinez
  3. Health & Medicine

    Sunlight worsens jet pollution

    Chemical reactions caused by the sun’s rays worsen air pollution from idling jets at airports.

    By Stephen Ornes
  4. Animals

    Big fish in troubled waters

    Overfishing cuts number of large predator fish in the ocean.

    By Stephen Ornes
  5. Oceans

    Sea changes

    Carbon dioxide is making the oceans more acidic.

    By Stephen Ornes
  6. Climate

    A dire shortage of water

    Parts of the southwestern United States are in the middle of the worst drought in at least 500 years.

    By Emily Sohn
  7. Environment

    An ocean view’s downside

    Population growth in coastal areas could threaten shoreline ecosystems.

    By Emily Sohn