1.   Deputy City Attorney Elise Ruden, who evaluated the violations, said they included high levels of methane gas emissions and other problems with the potential to become serious.

2.   Molinari gave the city notice of the lawsuit in March, when he asserted that the landfill violated the federal Clean Air Act because of its methane gas emissions.

3.   The DTSC currently is assessing methane emissions at Arminta Elementary in North Hollywood and Germain Elementary in Chatsworth.

4.   Animal nutritionists and pasture scientists want to find out what affects methane gas emission in sheep.

5.   Flatulent and burping sheep are at the center of a fresh study into animal methane gas emissions and the impact of this greenhouse gas on world warming.

6.   IRRI researcher Noel Nocon said the research project is determining what rice land conditions induce methane emissions, including types of fertilizers and rice varieties.