Environment

House Eating Mushrooms are Good for the Planet

- Adam Clare Leave a comment

the suburbs

For the last one hundred years in North America we’ve been building low density energy inefficient housing and now we need to deal with the economic and environmental harm from this approach. In Cleveland they are using mushrooms to deal with housing that is no longer habitable while also cleaning the local environment. Cleveland has a lot of homes left to the elements which are leaking dangerous chemicals into the soil, to address this there’s a company that takes the shreds of a building and converts into a great spot for mycelium to grow. It’s a very novel use of fungi and I’m sure we’ll see more fungi being used to address climate change at a local and even global level.

While digesting entire houses may seem like a mighty task for the humble mushroom, some species’ ability to devour waste and eradicate pollutants – among other characteristics – means they present an oversized opportunity to extract harmful toxins from both our built and natural environments. Along the way they may help to address a spectrum of additional ecological concerns. This is the emerging field of mycoremediation, which researchers assert could also create a “circular bioeconomy” in which less waste and contaminants are produced in the first place.

Its applications are abundant. In Delhi, India, the hope is that fungi will help to clean the infamously polluted air. In New Zealand, mushrooms have been used to filter oil from a canal. Operating across Europe, the LIFE MySOIL project has leveraged mycoremediation to reduce Total Petroleum Hydrocarbons in soil by 90% spanning three pilot sites. The list goes on.

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Thanks to Mike!

Brazilian City Planting Mangroves to Protect Itself Against Climate Change

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Down in Brazil there’s a city in that is increasing the size of their local mangrove forest to protect itself against raising seas and more intense storms. Mangrove forests are excellent at buffering against storms due to their root systems (and that trees in general are good at slowing storms) and how they start beyond the shore line which reduces coastal erosion. The Greater Florianópolis of Brazil’s program to expand their mangroves is improving the local environment while also helping the city’s coastal economy, it;s a win-win.

As a bonus, mangroves are really good at capturing carbon and putting it in the soil so everyone on earth benefits when Brazilians increase their mangroves.

Master’s students are currently comparing the potential for carbon sequestration and storage in natural mangroves and those growing in the landfills of the Greater Florianópolis area. To do this, they’ve collected soil samples from four mangrove areas: two natural ones and two from the artificially created landfills.

The study aims to find out whether mangroves in the latter, human-generated ecosystem have the same carbon-absorbing capacity as natural ones. “Mangrove soil has a high carbon storage capacity, which is why we chose to focus our main analysis on soil rather than roots and leaves,” says Aline Zanetti, a master’s student working on the project.

Mangroves accumulate 50-90% of their carbon in the soil. The waterlogged soil gives rise to a low-oxygen environment, which means that the organic matter that piles up here — leaves, branches, dead animals — don’t decompose as quickly as they would in the open air, thus keeping the carbon they hold in the soil for longer. It’s this waterlogged property that makes coastal ecosystems much more effective carbon sinks than terrestrial forests. For their study, the researchers will also collect samples of mangrove roots to see if there’s a difference in the carbon stock potential of created and natural mangrove roots.

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Greenhouse Gases Now Count as Maritime Pollution

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The International Tribunal for the Law of the Sea has ruled the greenhouse gas emissions can count towards damage to our oceans. Small island nations have praised the ruling because they are the most threatened by raising sea levels and the boiling of local waters. The ruling also shows how science can inform policy in a meaningful way because the court clearly understood how oceans absorb our emissions over time and lead to acidification and other problems.

This ruling is merely a step towards better protections of our common waters and it will only mean smoother sailing for future efforts.

What happened today was that the law and science met together in this tribunal, and both won,” said Cheryl Bazard, ambassador to the European Union of the Bahamas, one of nine Caribbean and Pacific island nations that sought the opinion.

Small island nations with scant economic power but acutely vulnerable to climate change have long felt neglected by successive global summits where pledges to cut carbon emissions have fallen far short of the minimum for limiting the worst effects of global warming.
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A similar potential precedent was laid down last month, when the European Court of Human Rights agreed with plaintiffs who argued that Switzerland was violating their human rights by not doing enough to combat climate warming.

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Cool Cities Have Botanical Gardens

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If you live near a park you know that even a small amount of nature can cool the local environment, and you know that the bigger the park the more cool it is. In terms of a land-to-cooling-effect ratio certain types of parks are more efficient than others with the clear winner being a botanical garden. A simple playground with some trees can cool the local area by 2.9 degrees, a green roof can cool areas by 4.1 degrees, botanical gardens reduce outdoor temperature by 4.9 degrees! Any natural spaces can cool your neighbourhood so this summer get out there, plant some plants, and make your city a cooler place.

From a pool of more than 27,000 research papers, the researchers selected 202 for meta-analysis based on a number of urban green-blue-grey infrastructure categories – including parks, engineered greening projects, wetlands, green walls, parks and botanical gardens.

Trees and plants, for example, help reduce heat by reducing the amount of direct sunlight reaching the ground, while also releasing moisture into the air. Water bodies cool the surrounding environment via “evapotranspiration, shading, the albedo effect, groundwater recharge and temperature buffering” and could also serve as heatsinks, cooling during daylight hours and offering warming potential at night. Green roofs and walls not only help insulate buildings, but also reduce heat absorption, and vegetation can serve as windbreaks for natural ventilation.

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eBikes are Killing the Oil Industry

- Adam Clare Leave a comment

This Earth Day it’s good to reflect on one’s own love for the planet Earth. If you want to express your love and appreciation for this ball of rock and air that orbits then Sun then you should ride a bike everyday. If an ordinary bike isn’t your style then you may want to consider an ebike. The future of our built environment will be about two wheels instead of four, and this can’t happen too enough. Thankfully the rise of ebikes is bringing us that future by getting people to ditch their lethal four wheel machines for better two wheeled solutions. Indeed, the oil industry may come to end sooner than projected because ebikes are lowering demand for gasoline!

If taken up, electric micromobility can cut urban emissions. A study of e-scooter riders in the United Kingdom found these trips produced up to 45 percent less carbon dioxide than alternatives.

US researchers estimate that if e-bike trips expanded to 11 percent of all vehicle trips, transport emissions would fall by about 7 percent.

As petrol prices increase and battery prices fall, the cheaper running costs of electric vehicles and even cheaper running costs of electric mopeds, bikes, and scooters will keep eating away at the demand for oil.

Global oil demand is now projected to peak in 2028 at 105.7 million barrels per day—and then begin to fall, according to the International Energy Agency.

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