Climate was an easy, low-cost product to sell in Arizona's early years, before rising temperatures changed the landscape's ...

Although much work has to be done heading into the future, sustainability initiatives both on a city and campus-wide level ...

Members of the activist group Third Act, founded by Bill McKibben, were sporting shirts with the slogan “Our Time is Now” on the back. (Passersby could be pardoned for some confusion. Professional ...

THE HAGUE, Netherlands (AP) — Climate change has put the prospect of an actual new edition of the iconic Elfstedentocht skating race over frozen canals and lakes on thin ice, but the Netherlands on ...

President Donald Trump canceled nearly $1 billion in federal funding for the high-speed rail project in 2019, during his ...

Climate change is accelerating the melting of the world's mountain glaciers, according to a massive new study that found them ...

San Francisco and several other parts of Northern California are sinking at an alarming rate, compounding the region’s ...

As wildfires grow more frequent and intense with climate change, and become a greater threat to cities, water utilities are ...

Global air travel surged to record levels last year, and airlines are consuming far less sustainable jet fuel than expected.

Environmental Day at the Arizona Legislature, conservation advocates talked about the issues they wanted lawmakers to address.