This includes a 13% decrease in emissions from electricity, 23% decrease in emissions from gas usage and a 36% decrease in emissions from business travel.
Mae hyn yn cynnwys gostyngiad o 13% mewn allyriadau trydan, gostyngiad o 23% mewn allyriadau defnydd nwy a gostyngiad o 36% mewn allyriadau teithio busnes.