Dear EarthTalk: Is it true the northern lights will be more intense over the next 50 years, and if so, why? Will this have any negative effect on our environment? — H. Binger, via e-mail
Political involvement should be a requirement for citizenship
Dear EarthTalk: Is it true the northern lights will be more intense over the next 50 years, and if so, why? Will this have any negative effect on our environment? — H. Binger, via e-mail