The discovery is in contravention of Syria's promise to hand over its entire chemical stockpile for destruction.
Syrian state news agency claims militant group used mustard gas on troops at eastern airbase.
Spreading human feces on agricultural fields is common practice.
Advocacy groups say there are still dangerous chemicals in use, though.
A new study found that water-resistant chemicals used in food packaging could increase risk of miscarriage.
When a toxic leak threatens your water supply, just lower your pollution standards!
The failure to clean up chemicals abandoned during the Bhopal gas leak has become a toxic issue
Cases of Parkinson's, hormonal development disorders and learning difficulties are rife in areas where they are used, but policy is often highjacked by industry in the fight to ban dangerous chemicals
Exposure to DDT-replacement Methoxychlor could cause diseases three generations later, in offspring who were never exposed to the pesticide themselves.
Even a little rain causes the city's sewage to bypass treatment, and flow right into places like the Gowanus Canal
The 300,000 people whose water was contaminated by the spill went without running water for ten days, and even then health officials still could not agree on the water's safety
Brominated vegetable oil is not approved for use in food the European Union or Japan but has showed up in drinks in the U.S.
The thin coating of powder on your store receipts is a chemical with a troubled history
It's been banned in Europe and Singapore, but it could be in your fast food bread