Not quite proportional with the economic realities of eastern Mediterranean. GDP of Israel is #170 bill. Lebanon - 22 bill. Syria - 78 bill. Gaza - .8 bill. Not to speak about GDP's per person. Not that Israel is environmentally perfect, far from it, but a lot is being done, and big money is being spent, against pollution.
Five people killed in car crash near Hebron (Haaretz)
from the article: Study: Israel is biggest polluter in eastern Mediterranean