The website Positive News recently published an article called 'Five innovative ideas from Paris’s DIY climate change convention', which shared some innovative, low-cost designs from the POC21 design convention.
An inspiring article from TED Fellow Karen Eng:
'How we can curb climate change by turning waste into gourmet mushrooms'
"Social entrepreneur Trang Tran is teaching Vietnamese farmers how to use rice straw as a substrate to grow gourmet mushrooms, helping to reduce greenhouse gas emissions and give farmers a new source of income."
Just found this on Facebook and thought it worth sharing