Heavy metal pollution poses a great danger to water and birds at the iconic Nile River Delta.
Experts said the study showed that the level of marine plastic pollution in the oceans has been underestimated.
Researchers published a map showing how PM2.5 levels have changed around the world in past decades.
Israel's carbon emissions have fallen since 2015, but changes are not being made fast enough.
The study suggests that this could be due to Haifa's high air pollution.
ENVIRONMENTAL AFFAIRS: The environmental impact of abolishing the single-use plastic tax could have Israelis paying with their lives.
Scientists in Germany found that urine and feces can be recycled for use as new fertilizers that are safe and productive.