Picture shows Tobin Hammer, undated. He has made headlines numerous times for his remarkable research efforts but also due to his straightforwardness regarding today's most urgent environmental issues. (Steve Zylius/UC Irvine, NewsX/Bee)
Picture shows Thomas Cassar, undated. A researcher and wildlife filmmaker has said he is considering moving abroad due to the "disgraceful" destruction of nature in his native Malta. (Wildlife In Focus, NewsX/Bee)