By Hannah L. Timmins As winter closes in, Ukraine is facing demoralizing news. Western support for the war is faltering, Ukrainian troops in the east are being pushed onto the back foot amid a Russian troop surge, and Kyiv is once again under attack from Russian drone strikes targeting energy infrastructure, the biggest such attacks since the invasion began. US officials have estimated Ukraine’s human death toll at over 120,000, and the figure will continue to grow. But I, as a conservationist, am expecting additional losses that have gone largely unreported. A group of Ukrainian ecologists an…