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biodiversity climate climate solutions energy wind wind power global solar power energy efficiency efficiency poverty solar green economy marine acidification extinction fossil fuels deforestation pollution future ecosystems change water oil loss cleantech co2 emissions wars green buildings decoupling global warming sustainability energy security end-use efficiency social collaboration collective ingtelligence coral reefs renewables green electric plug-in smart cities species freshwater footprint phev co2 emissions warming power utility michael pv mitigation collaboration microgrids species loss forest rain regulatory ecology conservation photovoltaics healthy buildings renewable smart growth plains electric bikes farms dioxide innovations led lighting gases vehicles carbon acidification biofuels web tools grids renewable energy oil wars bioneers microfinance zero emissions utility regulation totten security platform networks economic development greenhouse scrubber turf fuels internet-of-things great vehicle-to-grid ion mass development end-use-efficiency ioe iot agriculture electric vehicles climate change cognitive surplus sharing economy reducing ecological development collective intelligence circular economy environment big data architecture transportation platform social media social network media politics hybrid intelligen human-centric lighting internet-of-everything dependency algae web-based climate solutions great plains climate mesh michael totten prairie grasses grameen bank eco-restoration green power green economics michael p totten greenhouse gases ghg algae biofuels hypoxia dead zones risk biofuel resource conflicts threats catastrophes solae power sustainable business asia-pacific governance livelihoods planetary nuclear power internet of networks reductions angeles greening sports urban greening growth bicycling mobility consumption heat island feed-in tariffs photovoltaic bottom pyramid collective intelligence social usa resource offsets international alleviation redd china waterhealth international