- Author: Chris McDonald
Published on: April 22, 2013
On Earth Day. Managing weeds is a costly and difficult task. Yet their impacts to the environment are high. Herbicides or hoes cost money and the impacts to the environment when weeds grow unchecked are also significant.
The costs of managing invasive species are staggering. For example, it is estimated that the US spends about $128 billion annually managing invasive species. In 2011 just one federal department, the Department of the Interior (BLM, NPS, FWS, among others), spent $100 million removing invasive species. In the US, herbicide sales are over $5 billion a year, not to mention costs of application equipment, maintenance and labor.
In California over 5 million pounds (of active...
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