Classification system proposed for green roofs

Green roofs (or living roofs) are becoming a growing trend in North America – and have been long established in Europe – for their value in conserving energy, improving air quality, managing storm water runoff, beautifying ...

Lady bug, lady bug, eat up

(Phys.org) —Early morning raindrops, hanging on the leaves of Virginia Commonwealth University's Pollak Building's rooftop garden, acted as welcomed drinks of water for 1,500 lady bugs as they were introduced to their new ...

Protecting species for the good of global climate

When the global community is expected to meet for the second part of the UN Biodiversity Conference in Kunming, China, in autumn, it must also adopt the next generation of UN biodiversity targets. These will then replace ...

Nature as a model for greener cities

Swapping concrete and asphalt for trees, ponds and green roofs is an example of how cities can be adapted to cope with heavy rain and climate change. But time is running out. For nature-based solutions to have a global impact, ...

Cooling down Chicago

More than 50 percent of today's population lives in cities. According to the United Nations Development Programme, that number is predicted to rise to 70 percent by 2050. Growing urbanization increases the overall temperature ...

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