Urban Trees

The World Has Lost an Unbelievable Amount of Forest Since 1999

New high-resolution maps show that we've gobbled up green space more than twice the size of Texas.

A 140-Acre Forest Is About to Materialize in the Middle of Detroit

The city's emergency manager has approved a deal to turn scores of blighted properties into a lush green space with maple and oak trees.

Somebody in San Francisco's Public Works Department Is Awesome

A municipal arborist whittled this damaged tree into a street chair for the neighborhood.

A Wild New Way to Make Money Off of Urban Trees

America's urban trees absorb 25.6 million tonnes of CO2 annually. That carbon storage is worth $50.5 billion a year, but can cities profit?

Skyscraper Trees: Good or Gimmicky?

Debating the merits of planting forests on the sides of tall buildings.

A Paris Park Morphs Into a Forest of Screaming Gargoyles

Now these are some trees with personality.

Why You Shouldn't Let Your Dog Pee on Trees

An investigation of how canine urine contributes to urban plant death.

Trees vs. Power Lines: Will We Have to Choose?

The debate over how to secure our nation's power grids comes courtesy of yet another climate change-related feedback loop.

How Suburban Lawns Can Fight Climate Change

Lawns can play a key role in absorbing carbon dioxide emissions.

Newcastle, Australia: World Capital of Tree Drama

For the second time in less than a year, this seaside community is in an uproar over something to do with trees.

Urban Heat Island Effect Upside: It Can Be Good for Trees

Warmer temperatures help city trees grow eight times faster.

The High Cost of Losing Urban Trees

Tennessee reaps a $638 million yearly benefit from its urban trees – and an $80 billion loss if they disappeared.