Earth Day, celebrated annually on 22 April–a month and two days after the Spring Equinox–was launched in 1970 for students of all grade levels (including university) to sensitize young people to environmental protection. Over the years, it has become an educational and informative event. Groups of ecologists take advantage of the occasion to evaluate the earth’s environmental problems: air, water and soil pollution; the destruction of ecosystems; the thousands of plant and animal species that are becoming extinct; the depletion of non-renewable resources…
On Earth Day 2016 a landmark agreement on climate change, adopted in Paris last December with the consensus of nearly 200 nations, was signed at the United Nations headquarters in New York City, U.S.A.