Prolonged sun exposure is one of the main contributors to asphalt cracking. That’s because the heat from the sun dries up the road’s moisture content, making it brittle and prone to wear. A team of scientists has found that adding rubber from old tires to asphalt can help roads … [Read more...] about Recycled old tires could make roads last twice as long
roads
This startup uses a plant-derived material to make roads carbon negative
Similar to building new roads, repairing existing ones is not an environmentally friendly endeavor. One of the main problems is bitumen, a fossil fuel-derived binder that holds asphalt together. A startup in Norway is recycling old roads using a plant-based binder instead, a … [Read more...] about This startup uses a plant-derived material to make roads carbon negative
More cities are using beets to beat icy winter roads
Many cities with harsh winters turn to salt to melt ice and make roads safer, but while this helps out drivers, it doesn’t do the environment any favors. Fifteen to 17 million tons of road salt are used on US roadways each winter, contaminating waterways and natural ecosystems … [Read more...] about More cities are using beets to beat icy winter roads
Spray on road treatment cools cities and absorbs exhaust fumes
The heat island effect can make temperatures in cities ten degrees warmer than surrounding rural areas. This is not only uncomfortable for residents but can also have dangerous health impacts during heat waves. To address this issue, Pavement Technology Inc. has created a new … [Read more...] about Spray on road treatment cools cities and absorbs exhaust fumes
Scientists mix old tires and construction waste to make sustainable roads
Construction, renovation, and demolition account for about half the waste produced annually worldwide, while around 1 billion scrap tires are generated globally each year. The two issues may not seem to have a direct link with one another, but scientists in Australia have blended … [Read more...] about Scientists mix old tires and construction waste to make sustainable roads