With their water wells dropping, two farmers from the far southwest corner of Kansas flew a 1967 Cessna Wednesday morning to Topeka – all in support of hemp.

With their water wells dropping, two farmers from the far southwest corner of Kansas flew a 1967 Cessna Wednesday morning to Topeka – all in support of hemp.

Environmental cleanup could be as simple as using natural resources, such as Indian mustard seed, sunflowers and hemp.

Hemp advocates say it is fast and cost effective in cleaning up oil spills on land or water.

Hemp was once a mainstay crop in Virginia, until it ended up being banished as part of the long U.S. war on drugs starting in the 1930s.

31 states have passed legislation allowing hemp research or production.

Though commercial marijuana became legal in Alaska in February 2015, hemp is not yet legal.

Though commercial marijuana became legal in Alaska in February 2015, hemp is not yet legal.

In Kentucky, the University of Louisville's Conn Center for Renewable Energy Research has started growing industrial hemp in an effort to spur its fuels and manufacturing research.

Hemp is a low impact, fast-growing and clean plant to produce, and extremely versatile.

“This could potentially create the largest carbon-negative industry in the world."