Category: Environment

The creators of the Populus hotel have promised to overcompensate for their emissions by a factor of 400% to 500%. Photograph: Courtesy of Populus

America’s first ‘carbon positive’ hotel comes to Denver – but do its climate claims stack up?

The stylish Populus hotel boasts eco-friendly construction and tree planting for every guest. Is this the hospitality of the future – or hot air? Travelers

Runners in areas like Denver, Colorado, check the Air Quality Index daily – especially in the summer months. Composite: AP, Getty Images

Running in America’s worst air: ‘Like binging on a carton of cigarettes’

For a writer and runner in Denver, Colorado, the city’s severe air pollution creates a daily dilemma: do something you love, or risk your health?