Conservation could benefit from ecosystems' natural ability to rebound, but there's no time to waste.
Nuclear medicine is indispensable for public health, and some countries do it better than others.
Using insects as a source of protein is a logical step in increasing the sustainability of global food chains.
Leaders can take advantage of the current crisis by ensuring that clean energy technologies lie at the heart of their stimulus packages, and seize the opportunity to accelerate the decarbonization of the world economy.
Aviation and tourism will require rescue packages, but we should move away from our fossil fuel dependence.
The current reprieve from tourism offers a chance to rethink how the city deals with tourism in the future.