a) oil,
b) natural gas,
c) wind,
d) solar,
e) biofuels
or .... ✓ f) all of the above

Who: BP
Advert: Various publications, 2008
Methane: 1787.01 ppb

Source: The Guardian

Scientists are unable to make reliable predictions about future changes.

Knowing that weather forecasts are reliable for a few days at best, we should recognize the enormous challenge facing scientists seeking to predict climate change and its impact over the next century. In spite of everyone's desire for clear answers, it is not surprising that fundamental gaps in knowledge leave scientists unable to make reliable predictions about future changes. A recent report from the National Research Council (NRC) raises important issues, including these still-unanswered questions: (1) Has human activity already begun to change temperature and the climate, and (2) How significant will future change be? The NRC report confirms that Earth's surface temperature has risen by about 1 degree Fahrenheit over……

Who: ExxonMobil
Advert: New York Times, Wall Street Journal and other publications, 2000
Methane: 1773.22

Source: New York Times

Reduce your carbon footprint. But first, find out what it is

Every person in the world has one. It's the amount of carbon dioxide emitted due to our daily activities-from washing a load of laundry to driving a car load of kids to school.

Find out the size of your household's carbon footprint, learn how you can reduce it, and see how we're reducing ours at bp.com/carbonfootprint. It's a start.
beyond petroleum

Who: BP
Advert: Various publications, 2004
Methane: 1,777.05 ppb

Source: the Guardian

Reduce your carbon footprint. But first, find out what it is.

Call it your mark on the world. It's the amount of carbon dioxide emitted due to your daily activities - from mowing your lawn to vacuuming your home. Find out the size of your household's carbon footprint, learn how you can reduce it, and see how we're reducing ours at bp.com/carbonfootprint. It's a start. beyond petroleum.

Who: BP
Advert: Various publications, 2006
Methane: 1774.94

Source: Geoffrey Supran & Naomi Oreskes