3. Photosynthesis disrupted
Solar radiation, important not only for surface temperatures but also for photosynthesis, would drop by 60% to 70% in the first few years of a nuclear winter.
2. Nuclear winter
The varying scenarios for the theoretical nuclear winter depend on the severity of nuclear weapons exchange. Still, dark skies, widespread drought, fallout, and global temperature drops to those last seen in the previous ice age would occur in the Northern Hemisphere.
1. Mass extinction
In the worst-case scenario of a nuclear winter, a mass extinction event would take place.
Sponsored: Find a Qualified Financial Advisor
Finding a qualified financial advisor doesn’t have to be hard. SmartAsset’s free tool matches you with up to 3 fiduciary financial advisors in your area in 5 minutes. Each advisor has been vetted by SmartAsset and is held to a fiduciary standard to act in your best interests. If you’re ready to be matched with local advisors that can help you achieve your financial goals, get started now.