Helping those who remain to shift to more extensive, rather than intensive farming methods. methane is a very important greenhouse gas. and we really should try to reduce it.- should try to reduce it. here they are _ should try to reduce it. here they are experimenting - should try to reduce it. here they are experimenting with i they are experimenting with technology that could cut those harmful gases. 50 technology that could cut those harmful gases.— technology that could cut those harmful gases. so here is where we measure _ harmful gases. so here is where we measure the _ harmful gases....