forest

Vertical Forests for Cleaner Air

- Adam Clare

A group of architects are proposing building a skyscraper that would house a small forest to act as an air cleaner near places of pollution production – a vertical forest.

‘It will also cool the air during the hot summer months via the temperature-lowering properties of hundreds of trees.

‘We thought of the CO2 Scraper as a way to place trees in areas where they would ordinarily be difficult or impossible to plant such as near a factory, major road or perhaps even in a densely populated urban area.

‘The idea here was to imagine a structure with relatively small footprint in terms of the amount of ground it covers.’

Scientist and sustainability specialist Joep Meijer, founder of theRightenvironment, has praised the ‘outstanding’ design.

He said: ‘The CO2 Scraper is an outstanding example of the kind of ideas we need to look at now.

Save the Planet: Plant More Trees

- Adam Clare

Simple stuff really: forests are good for the environment and we ought to have more of them.

The researchers’ calculations suggest that carbon storage in Midwestern forests could offset the greenhouse gas emissions of almost two-thirds of nearby populations, and that proper management of forests could sustain or increase their storage capacity for future generations.

Based on measurements taken between 1999 and 2005 at a forest study site in northern Michigan, the scientists have determined that similar upper Midwest forests covering an estimated 40,000 square miles store an average of 1,300 pounds of carbon per acre per year.

Factoring in effects of climate, history and tree type, the researchers developed an equation suggesting that a heavily forested region in northern Michigan could store more than 350,000 tons of carbon per year. With the area population emitting about 573,000 tons of carbon annually, the forests would sequester approximately 62 percent of the region’s human-caused carbon emissions – the equivalent of yearly emissions from about 225,000 cars.

Preserving Canada’s Boreal Forest

- Adam Clare

The Ontario government recently announced that a patch Canada’s boreal forest twice the size of England will be protected. The De-Smog Blog describes the greatness of the boreal forest and what the recent announcement means.

Canada’s Boreal Forest is important when it comes to global warming and greenhouse gas emissions. Canada’s Boreal forest is the world’s largest terrestrial storehouse of carbon, exceeding even the total carbon stored in the Amazon.

North America’s Boreal Forest stores up to 11% of the world’s terrestrial carbon. Roughly 56% of all the carbon is stored in peat. The remaining carbon is pooled in above-ground vegetation, rocks, and soil. At 186 billion tons, Canada’s Boreal carbon storage alone is equal to near 27 years of the world’s carbon emissions from the combustion of fossil fuels.

You can download a comprehensive fact sheet on global warming and Canada's Boreal Forest here. (pdf)

Last year, 1,500 scientists from 50 countries called on Canadian governments – federal, provincial and territorial – to protect the 5.6 million square kilometres of boreal forest in Canada, which holds about 186 billion tonnes of carbon.

Proof That Rain Forests can be Saved

- Adam Clare

Costa Rica is establishing itself as a fantastic spot for eco-tourism and to ensure that they continue to be so awesome they need to protect their natural environment. Costa Rica is trying to reclaim land that was taken away from their tropical forests and replant the natural species in hopes of revival – and it’s working.

When the researchers planted worn-out cattle pastures in Costa Rica with a sampling of local trees in the early 1990s, native species of plants began to move in and flourish, raising the hope that destroyed rain forests could one day be replaced.
Ten years after the tree plantings, Cornell graduate student Jackeline Salazar counted the species of plants that took up residence in the shade of the new planted areas. She found remarkably high numbers of species — more than 100 in each plot. And many of the new arrivals were also to be found in nearby remnants of the original forests.
“By restoring forests we hope not only to be improving the native forests, but we are helping to control erosion and helping the quality of life of the local people,” said Carl Leopold, the William H. Crocker Scientist Emeritus at BTI. He pointed out that drinking water becomes more readily available when forests thrive because tree roots act as a sort of sponge, favoring rainwater seepage and preventing water running off hills and draining away.

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