Trees

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Higher carbon dioxide levels will not result in faster-growing forests – just the opposite in many places, study finds. rosskevin756/flickr

More CO2 won’t help northern forests or stave off climate change

Study using tree ring data and climate projections shows that buildup of CO2 will not benefit most northern forests and that growth rates will actually fall.
Despite increases in some areas, Australia’s tree cover is at its lowest level in 40 years. Tree image from David Lade www.shutterstock.com

Environmental score card shows Australia is once again in decline

After some unusually wet years, our landscape and ecosystems have once again returned to poorer conditions that were last experienced during the Millennium Drought.
Not just a way to beat the heat, urban forests also reduce air pollution and provide other services for the economy. kiddocone/flickr

Why more cities need to add up the economic value of trees

Cutting-edge urban foresters argue not only for the intrinsic value of trees but also for the many economic and health benefits.
Land clearing rates in Queensland tripled since 2010. Martin Taylor

Queensland land clearing is undermining Australia’s environmental progress

Land clearing in Queensland has tripled in the past five years.
The cover that trees provide transforms cities into much more hospitable places, especially in hot weather. AAP/Joe Castro

In a heatwave, the leafy suburbs are even more advantaged

Six years after Black Saturday, it's worth remembering that heatwaves kill more people than bushfires do, so shade can be a life-saver. But tree cover and shade are not evenly distributed in cities.

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