Over 144,000 hit the road when the TMI accident occurred 40 years ago. Emergency personnel are far more prepared today, but there are also a lot more people living in central Pennsylvania than in 1979.
Cities around the world are starting to see that they'll be cleaner, healthier, and just better overall if people–not cars–are the priority. Also, as populations grow, there just isn't enough room on city streets for everyone to sit in a car of their own.
Africa has been plagued by water shortages in recent months, manifestations of a global supply squeeze brought on by drought, population growth, urbanization and insufficient investment in dams and other infrastructure.
Unsustainable production and consumption patterns, inequality and population growth-driven increase in resource use are "deteriorating planetary health at unprecedented rates with increasingly serious consequences especially for poorer people and regions," warn UN scientists and experts.
The United Nations 17 sustainable development goals have failed to recognize inter-dependence between the goals and the role of population growth, according to an Indian econometrician and professor at University of Maryland.
Scientists and public health officials have documented an increasing number of outbreaks of mosquito-borne illnesses across the globe in recent years, including yellow fever, dengue, chikungunya, and Zika.