Israeli Environmental Protection Minister Gilad Erdan and U.S. Environmental Protection Agency Director Lisa Jackson have signed an addendum to the environmental memorandum of understanding between the countries, expanding their joint operations in the field, Ynet reported Tuesday, October 9. The addendum was signed on the 21st anniversary of the original environmental MOU signed between Jerusalem and Washington. Jackson visited Israel for the anniversary, as the Environmental Protection Ministry’s guest. The two’s collaboration on environmental issues was expanded to include more research, development and information sharing, green technology development, water sources management, land rehabilitation, air quality and ecological economy ventures. The EPA director noted that she was very impressed by Israel’s greentech innovativeness, adding that the U.S. was interested in learning more about the policies Israel is using to encourage the development of environmental technologies.