ASU pays tribute to 40 years of Earth Day

<p>Earth is the fifth-largest planet in the Solar System and home to millions of species&nbsp; supported by its unique physical properties and conditions. Its abundance of water, for instance, sets it apart from other planets, as three-quarters of the Earth is covered by oceans.</p><separator></separator><p><a href="http://sustainability.asu.edu/earthweek/ " target="_blank">Find out</a> what the ASU community is doing to celebrate their home – and address the issues that pose challenges to its future – on the days leading up to Earth Day, April 22. Through a weeklong series of events, the ASU community will pay tribute to the 40th anniversary of Earth Day.</p><separator></separator><p>&nbsp;</p><separator></separator><p>&nbsp;</p>