You may be aware that Monarch butterflies are endangered. This is due to the loss of habitat and the use of pesticides.

One of the best ways to do this is to protect the plants that the caterpillars feast on. Undoubtedly, you'll be aware that the primary food source for monarch caterpillars is milkweed. According ...

EPA must better assess the dangers of pesticides, especially in monarch breeding habitats in state’s Central Valley.

We have just learned that the iconic monarch butterfly may be placed on the ... working lands that provide food and energy essential to human survival must also maintain the essential habitat ...

In the monarch's case, the proposed listing would generally prohibit anyone from killing or transporting the butterfly. People and farmers could continue to remove milkweed, a key food source for ...