A delicate ecosystem was disrupted in Comoros, off East Africa, when forests were cleared to make way for farmland. The consequences offer lessons for other parts of the developing world.
The Chicago Tribune
Ice fishing, curling, and other winter activities popular on Lake Superior may be fading into history.
As the original motherland for Native American and First Nation tribes, these islands and neighboring coastal areas play an important role in their culture, faith and traditions.
In a continuing series on climate change's effects on the Great Lakes, The Chicago Tribune turns its attention to rising waters on Lake Huron.
Every year, an explosion of microscopic life reigns over western Lake Erie, forming a green slick of algae and bacteria so massive and vibrant that it can be seen from space.
Harmful algae blooms and dead zones have killed or forced many Lake Erie fish to migrate.
As agricultural runoff and urban wastewater pour into Lake Erie, the nutrients and warmth of the shallowest Great Lake give rise to massive blooms of algae and bacteria.
These ecological threats could have wide-ranging impacts on wildlife, fishing industries and coastal recreation.
TB is the world's second-deadliest infectious disease, but funding for it is not proportional to the threat.
In Chicago, perpetrators become victims and victims become perpetrators. From the perspective of Pulitzer Center grantee Rieke Havertz, this is one of the central problems of America's gun violence.