The stories about the poaching of African elephants are deeply imbedded in the carbon isotope tracers that make up the prized tusks. A group of scientists used these tracers to uncover the realities of poaching activities threatening Africa’s elephants today.
People give meaning to urban parks and cities in different ways, an inherently political process that opens up some possibilities while foreclosing others. Once seen as refuges from the city, urban parks have been reimagined as economic drivers, a shift that fits into a larger process of neoliberalism.
Drought has become increasingly prevalent in many parts of the world, but how it will affect ecosystems is often poorly understood. In the Yellow River Delta scientists discovered that another factor, natural enemies, hinder the ability of plants to recover from drought.
Human land-use is a primary cause of biodiversity loss. A recent study shows that human changes to ecosystems has pushed global biodiversity loss beyond safe limits, which could reduce nature’s resilience.
A mathematical model has been constructed to analyze the effect of Beijing’s odd-and-even license plate rule. The results concur with previous studies: it works somewhat in the short-term, but inadequate in the long run.