Can Uber-style buses help relieve India’s air pollution?
India’s megacities have some the deadliest air and worst traffic congestion in the world.
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Inside agriculture’s sustainability inflection point
Agriculture is at an inflection point, to borrow a phrase from the technology industry (and math) when it realized the world was changing direction.
The 5 toughest challenges tomorrow’s cities face
From New York to Shanghai, cities across the globe are swelling, compounding social and environmental sustainability challenges.
How a giant space umbrella could stop global warming
The race to find a solution to a rapidly warming world is one of the most pressing challenges facing our planet.
Trouble in paradise: Fatal blight threatens a key Hawaiian tree
The ʻohiʻa is Hawaii’s iconic tree, a keystone species that maintains healthy watersheds and provides habitat for numerous endangered birds.
Climate change adds urgency to push to save world’s seeds
In the face of rising temperatures and worsening drought, the world’s repositories of agricultural seeds may hold the key to growing food under increasingly harsh conditions.
Over 90% of Great Barrier Reef suffering from coral bleaching
A study measuring the extent of coral bleaching in Australia's iconic Great Barrier Reef is branding some of the northern reef's problem as "extreme."
The 5 biggest shifts since the Paris climate talks
Gauging the trickle-down effects of high-level international policy is never easy.
As climate warms, how do we decide when a plant is native?
The fate of a tree planted at poet Emily Dickinson's home raises questions about whether gardeners can — or should — play a role in helping plant species migrate ...
Can we reduce CO2 emissions and grow the global economy?
Surprising new statistics show that the world economy is expanding while global carbon emissions remain at the same level.
