First-week orders could undermine progress on clean energy investments, pollute the air and add few benefits to the economy, ...

The Trump administration is also ending federal requirements that push car makers to produce more low-emission models.Start ...

Northern Arizona is famous for its aspen trees, and a multi-decade study looks into how they’re being affected by climate ...

President Trump's first week in office included a flurry of executive orders with implications for Earth's climate and ...

The orders could affect Arizona through their impact on climate change and potential harm to the electric vehicle industry. There are no significant proven oil or gas reserves in Arizona ...