with many strains ten times stronger than steel at the rapid recycling forty five games mon dieu is one of the most eco friendly building materials on the planet. in the middle east to engineering graduates in gaza have created an environmentally friendly break cold cream cake. this uses coal and wood ashes affiliate instead of signs making use of waste that would otherwise be buried in the ground. and in guatemala one nonprofit to spill to school using that to resources and rubbish that would normally pine and land fill. the organizations make the system out of all time. capable of holding thousands of gallons of rain water. she was like these and also any paving the way for green up in school. the redefining the spaces we'd have it. singapore is a low lying island in city state 80% of its population living high rise public housing resulting in one of the highest population density in the world. challenges from rapid urbanization sea level rise and an increasingly chaotic climate is forcing planners and architects and posi make is to respond. to questions about how the cities of the fu