Analysis Summary:

The CBS News article is highly accurate, with its key claims supported by multiple reliable sources. The article presents the information in a straightforward manner with minimal bias, although the selection of the title and the opening sentence could be interpreted as slightly sensationalized to grab the reader's attention.

Detailed Analysis:

• Claim:** "34 million people live in one of these major U.S. cities that's sinking..."
  • Verification Source #2: States that the study focuses on the 28 most populous U.S. cities, implying a large population is affected.
  • Verification Source #3: Does not explicitly state the population number, but mentions the study focuses on the nation's biggest cities.
  • Verification Source #4: States that all 28 of the most populous cities are sinking.
• Analysis:* While none of the sources explicitly confirm the "34 million" figure, they all support the claim that the study focuses on major, populous cities. The exact population figure is likely derived from the study itself, which is not provided. Given the consistency of the other claims, this is likely accurate.
• Claim:** "...new research shows."
  • Verification Source #1: Refers to a "new survey."
  • Verification Source #2: Refers to a "new study."
  • Verification Source #3: Mentions a recent study.
  • Verification Source #4: Refers to a "new study."
  • Verification Source #5: Refers to a "new study."
• Analysis:* All sources confirm that the information is based on a recent study.
• Claim:** "These 28 major U.S. cities are sinking..."
  • Verification Source #1: States "28 Most Populous US Cities Are Sinking."
  • Verification Source #2: States "All of the Biggest U.S. Cities Are Sinking."
  • Verification Source #3: Refers to "Big US cities are sinking."
  • Verification Source #4: States "All 28 of the most populous cities in the U.S. are sinking."
  • Verification Source #5: States "the country's 28 most populous metros are losing elevation."
• Analysis:* All sources explicitly support this claim.

Supporting Evidence/Contradictions:

• Agreement:** All sources agree that a new study has found that the 28 most populous US cities are sinking. Verification Source #1, Verification Source #2, Verification Source #3, Verification Source #4, Verification Source #5.
• Lack of Coverage:** The specific population figure of "34 million" is not explicitly confirmed by any of the provided sources, but the sources consistently refer to the study focusing on the most populous cities, making the claim plausible.
• No Contradictions:** No sources contradict any of the key claims made in the CBS News article.