News Climate crisis: I used to mull when to have children. Now I ask if I should I have them. December 22, 2020 Dr. Neelu Tummala, Opinion contributor Comments Off on Climate crisis: I used to mull when to have children. Now I ask if I should I have them. Reliable COVID vaccines spark optimism about 2021 and beyond. There is no vaccine for the climate crisis, but we must create a similar promising future.