On the other hand, even if the cause isn’t human activity, it seems like it would still be a good idea to curtail human activity that could exacerbate the problem, such as adding CO2 to a warming system.
On the other hand, even if the cause isn’t human activity, it seems like it would still be a good idea to curtail human activity that could exacerbate the problem, such as adding CO2 to a warming system.
