Achieving green cities will require more than just canopy cover targets and central city strategies. It will need new approaches to urban planning and development.
When Europeans first arrived in Australia’s Southwest, they found vast tracts of huge jarrah trees. Now, after logging and dwindling rainfall, only a handful of these giants remain.
New data have revealed a disturbing trend in forest loss: the hearts of the world’s forests are disappearing. To stop them bleeding out, we’ll have to say ‘no’ to some developments.
Susan Letcher, Purchase College State University of New York
Forests that grow back after being cleared for agriculture or by logging grow back much faster than old-growth forests, soaking up carbon and providing vital habitat.
William Powell, State University of New York College of Environmental Science and Forestry
Adding a single wheat gene helps the American chestnut withstand a fungal pathogen that nearly wiped these hardwood trees out of the eastern forests they once dominated.
Australia may have reputation for vast areas of wilderness, but in reality the continent’s ecosystems have been chopped and diced. Now we need to protect what’s left.
Forest conservation has been a contentious issue in international climate change discussions for years, but now developing countries are embracing the need to protect their forests.
Global warming is changing the movement of carbon within northern ecosystems to the point where the Arctic could become a net source, rather than sink, of greenhouse gas emissions.
The world’s rainforests are still being slashed and burned at a dizzying rate to make consumer products. But now there are signs of real political will, especially in Asia, to rein in the destruction.