Complex sentence: This has threatened to undermine Toda culture by greatly diminishing the buffalo herds; however during the last decade both Toda society and culture have also become the focus of an international effort at culturally sensitive environmental restoration.
Split into simpler sentences: This has threatened to undermine Toda culture by greatly diminishing the buffalo herds. Since the early 21st century, Toda society and culture have been the focus of an international effort at culturally sensitive environmental restoration.