Under government pressure, Chinese scientists have retracted studies and withheld or deleted data. The censorship has stymied efforts to understand the virus.
Starting in the 1970s, scientists working for the oil giant made remarkably accurate projections of just how much burning fossil fuels would warm the planet.
The policy, hailed by researchers as “transformational,” will be fully in place by 2026 and make publicly financed research available immediately at no cost.