LG plans to invest 20 trillion won (€13.1 billion) towards expanding its green product portfolio and reducing its carbon footprint over the next ten years.
The company has set a target to reduce base emissions by 50 million metric tons a year by 2020.
LG also plans to grow its green businesses to the point where 10% of its revenue is earned from the products, the Press Trust of India said.
The company's green businesses sell products ranging from solar and lithium-ion batteries to LED technology.
South Korea last year pledged to reduce its greenhouse gas emissions by 30% by 2020, and invest 2% of its annual GDP into green industries.
LG unit LG Electronics is the world's third-largest handset maker by revenue.
Fellow Korean handset vendor Samsung has committed to investing 5.4 trillion won in green R&D facilities.