Complex sentence: Lomborg analyzes three major themes: life expectancy, food and hunger, and prosperity, finding that life expectancy and health levels have "dramatically" improved over the past centuries, even though several regions of the world remain threatened, in particular by AIDS.
Split into simpler sentences: Lomborg analyzes three major themes: life expectancy, food and hunger, and prosperity. He finds that life expectancy and health levels have "dramatically" improved over the past centuries, even though several regions of the world remain threatened, in particular by AIDS.