Immigration to the United States and World-Wide Greenhouse Gas Emissions
By Steven A. Camarota and Leon Kolankiewicz

The findings of this study indicate that future levels of immigration will have a significant impact on efforts to reduce global CO2 emissions. Immigration to the United States significantly increases world-wide CO2 emissions because it transfers population from lower-polluting parts of the world to the United States, which is a higher-polluting country. On average immigrants increase their emissions four-fold by coming to America. Read More...


Homeward Bound:
Recent Immigration Enforcement and
the Decline in the Illegal Alien Population
By Steven A. Camarota and Karen Jensenius

A new analysis of monthly Census Bureau data shows a significant decline in the number of less-educated Hispanic immigrants. The report is the first to show systematic evidence that the illegal population is decreasing. There is good evidence that recent immigration enforcement efforts are a key factor causing the decline. Read More...

The New Case Against Immigration,
Both Legal and Illegal

By Mark Krikorian
Sentinel (part of the Penguin Group), 2008

As Mark Krikorian argues in this provocative book, what's different today is not the immigrants, but us. Today's immigrants are very similar to those of a century ago, but they are coming to a very different America -- one where changes in the economy, society, and government create fundamentally different incentives for newcomers. In other words, the America that our grandparents came to no longer exists. And this simple fact must become the new starting point for the explosive debate about immigration policy. Read More...