It will take months to dispose of an estimated 20 million cubic yards of debris after Hurricane Irma, and that's just the dead tree branches, officials say. Some counties plan to turn it into mulch and compost, while a small portion may get turned into electricity.

Local officials say it will take two to three months to pick up and dispose of the three million tons of hurricane debris from Irma, at a cost that could exceed $200 million. Here how the process works, from curbside pick up to mulching.

While there are 3.4 million Americans who live on the island, many in the rest of the country still see Puerto Ricans as foreigners. Here's 5 revealing data points that may reveal this.

The international airport is barely functioning, while the rest of the island is struggling with a lack of food, water and fuel. “These are great people and we have to help them,” Trump said, announcing his visit.

The federal aid effort is racing to stem a growing humanitarian crisis in towns left without fresh water, fuel, electricity or phone service. Communications were cut to much of the island following Maria’s devastating crossing of Puerto Rico on Wednesday.

The island was left without power since Maria made landfall on Wednesday. The airport has reopened and aid is beginning to flow.