The global climate crisis rests squarely with us and, in no small degree, depends on the outcome of the upcoming presidential and Congressional elections.
Thirty years ago, on April 26, 1986, at 1:23 a.m., an explosion occurred at the Chernobyl atomic power station at Pripyat.
More than 700 persons, researchers, decision-makers, industrialists and heads of state, traced a future path for science in Africa.
The increasing flow of plastic is positively choking the waters and their life: 90 percent of sea birds have consumed some form of plastic.
"The Paris deal recognizes the reality of the climate threat, but only takes us part of the way."
All eyes will be on Paris when the City of Lights shines upon a hugely significant, potentially historic event - the 2015 United Nations Climate Change Conference, or COP 21.
Hopes are growing for meaningful progress at the UN-sponsored climate change negotiations in Paris, while the need for such action becomes ever more clear.
If greenhouse gas emissions continue at their present rate, ice shelves could collapse by the end of the century.
"Once again, we must confront a powerful blow from nature."
Ten years after Katrina the racial disparities in New Orleans, in the richest country in the world, have actually widened.