two young women lie in tents with bags for hiking and look up at the sky with views of the natural sunlight on the mountains.

analysis biology business climate change conservation development eco ecological ecology electric electricity energy engineer engineering environmental factory fuel future generate global industry innovation physics planning pollution power production professional project promote propeller renewable resource rotation solar structure sustainable system technical technological technology tower turbine vision warming wind windmill two young women lie tents bags hiking look sky views natural sunlight mountains designer working model green design support home use