Sunscreen: Pollution causes injury to the ozone layer, which will increase the results of free radicals and UV radiation on the pores and skin. Overexposure to UV radiation could cause wrinkles and even pores and skin cancer [source: American Melanoma…

Cinching Our Belt?Many scientists concern that international warming might affect the global conveyor belt. If world warming leads to elevated rain, as some believe it’d, the added recent water could decrease the salinity ranges at the poles. Melting ice, one…