Are these sources credible? Do you think you could cite them in a college-level paper?
Step 1: Skim and read: Take a quick look at the article, the introduction (or abstract), any references, the website and url, and the author
Step 2: SIFT steps: focus on JUST THIS ONE:
Source A: Biofuels
Source B: Carbon Capture
Source C: Sustainable Living
Source D: Sustainable Living II
Trace claims, quotes, and media back to the original context: Open up a few sources, and look at the original context. Are quotes and claims fairly represented?