Category Archives: Materials & Metals

Climate back to normal by 2050?

Could synthetic limestone in the world’s concrete market and massive kelp farms to stimulate fisheries REALLY sequester 50 GT CO2 per year, sequestering a TRILLION TONS of CO2 by 2050 and putting us back to 300ppm? That’s the claim of … Continue reading

Posted in CLIMATE & CONSERVATION, Materials & Metals, SUSTAINABLE INDUSTRY | Leave a comment

Sydney E-waste collectors come to your suburb

Got e-waste? If you’re in Sydney, chat with your local suburban Facebook group about booking these guys to come out to your suburb. They were in North Epping for 5 hours today and took an old imac and phone off … Continue reading

Posted in Industrial Ecosystems, Materials & Metals, Open Source Hardware, Waste | Leave a comment

Canada’s dead trees to build ‘plyscrapers’

Climate change warmed up Canada’s winters for so long that pine beetles destroyed billions of trees across Canada’s vast forests. Those trees are dead or dying. They will release┬ábillions of tons of CO2 when they rot. What to do with … Continue reading

Posted in Industrial Ecosystems, Materials & Metals, New Urbanism | Leave a comment

But coal is ESSENTIAL for the Australian economy?

Not so fast! 1. overall mining is about 9% of our GDP but that GDP comes at the cost of other GDP. (See below). 2. Fossil fuels are only part of that 9% GDP as the rest is opals and … Continue reading

Posted in Coal, Economics, Materials & Metals | Leave a comment

ABC’s Landline says Australia needs Hemp food!

ABC’s Landline: We need hemp food in Australia! 1/3rd the water to grow lucen Hempcrete soaks up CO2 as it dries and petrifies Aboriginals are building hemp housing Was the world’s most common fabric material until the cotton gin was … Continue reading

Posted in Biofuels, Food & Farming, Materials & Metals, Soil, Water | Leave a comment