Motherboard asked 105 experts what worries them most and what they are most hopeful about. 

Participants include (but are not limited to) 19 space scientists, 19 biologists and environmental scientists, 11 computer scientists, eight medical scientists, five lawyers, four historians, a musicologist, a paleontologist, an astronaut, and a digital artist who replied with emojis…

Unifying ideas emerged in the responses. By far the most frequently mentioned worry was climate change (29), followed by a spike in political extremism (21), with a subset of answers directly linking these problems. Artificial intelligence, especially its bias and unpredictability, represented another common concern (10). The proliferation of misinformation (8) and insufficient investment in science and STEM education (8) were often mentioned.