A bill advancing through the Iowa Senate would require fire districts and city councils in the state to consider switching to a soybean-based firefighting foam in an effort to reduce exposure to forever chemicals.

Plans to use a former airfield to build a biodegradable energy facility that turns agricultural waste into electricity have been recommended for approval.

Africa continues to lag behind other regions in farm power. While much of Asia and the Near East rapidly expanded tractor use, many farmers remain dependent on manual or animal labour.