Arctic
Researchers assess effects of a world awash in nitrogen
Humans are having an effect on Earth’s ecosystems but it’s not just the depletion of resources and the warming of the planet we are causing. Now you can add an over-abundance of nitrogen as another “footprint” humans are leaving behin…
Simultaneous ice melt in Antarctic and Arctic
The end of the last ice age and the processes that led to the melting of the northern and southern ice sheets supply basic information on changes in our climate. Although the maximum size of the ice sheet in the northern hemisphere during the last ice …