Sebastian's ESS Timeline

By Sebastian Ringo

  • Passenger Pigeon

    Passenger Pigeon
    Once the most prolific bird, the passenger pigeon goes extinct. This leads to a movement that focuses on keeping other endangered animals from going extinct.

  • Montreal Protocol

    The Montreal Protocol on Substances That Deplete the Ozone Layer is a landmark international agreement designed to protect the stratospheric ozone layer. The treaty was originally signed in 1987 and substantially amended in 1990 and 1992.

  • Kyoto Protocol

    Kyoto Protocol - Toward Climate Stability. The Kyoto Protocol treaty was negotiated in December 1997 at the city of Kyoto, Japan and came into force February 16th, 2005.