* The strategy retains a 2040 exit from combustion-based energy production; small nuclear reactors remain under review as a potential option. * Helen Ventures-backed Helen reset its climate strategy to target net zero emissions by 2040, replacing its prior carbon-neutrality goal. * The Science Based Targets initiative-backed plan targets a 97% cut in energy-production emissions by 2040 versus 2019, with a 77% cut by 2030. * Offsets will be limited to permanent carbon-removal methods, shifting emphasis toward direct emissions cuts. * Direct greenhouse gas emissions fell to 0.6 million tonnes CO2-eq in 2025, down 56% year over year.