Even if excaping methane could be held to 10% of the total planetary emissions, it will be a chronic source of carbon emissions for centuries - and that is worrying, noted one Australian climate scientist, who monitors greenhouse gas levels.
It's not just the Israelis who are worried, noted Mr. Heller in Tel Aviv, pointing to the protest of Tunisian women over the weekend, concerned that their existing freedoms may be at risk in a new democracy from Islamists.
Despite their win, the day ended on a worrying note for Fulham as £4m summer signing Stekelenburg came off injured and was replaced by David Stockdale.
The game started on a worrying note for the home side as Wales flanker Lydiate went down injured while defending the first Edinburgh attack.
Even some of those he had insulted in the disclosed emails contacted him on Friday morning with "don't worry" notes.
Robert S. Khuzami, the S.E.C.'s enforcement chief, has similar worries, noting that some Wall Street investigations have faced mounting delays.
Roberts likewise brushed aside unions' free ridership worries, noting that the problem is "insignificant" where "employees have shown overwhelmingly that they want collective bargaining".
"Each day was so full of danger and excitement that no grown-ups could have lived there without getting gray hair and withering away from stress and worry," notes the droll narrator.
Coincidentally, the Aug. 2 news article "U.S. rules on N. Korea trips fuel worry" noted that many Korean families remain shattered since the Korean War, and contained a suggestion that the United States and North Korea sponsor family reunions.
And there are reasons for thinking happiness important, both practically and theoretically, despite the worries noted above.
