T-Mobile has announced its latest sustainability initiative, a commitment to reach net-zero emissions across its entire carbon footprint by 2040. The operator has also joined The Climate Pledge, a community of organizations working together to combat global carbon emissions.    T-Mobile is the first wireless company in the United States to set a net-zero objective that has been certified by the Science Based Targets Initiative (SBTi) using its Net-Zero Standard. The target includes direct and indirect emissions from T-Mobile’s operations and facilities, purchased electricity, and all remaining indirect scope 3 emissions, such as those produced by suppliers, customer device usage, materials, employee travel and other factors, accounting for roughly two-thirds of the company’s total carbon footprint.   The Climate Pledge, launched in 2019 by Amazon and Global Optimism, is a pledge to reach net-zero emissions 10 years before the date targeted by the Paris Agreement. T-Mobile joins almost 400 companies…