Encompassing a territory spread over roughly 90,000 square kilometres. With an average ground-level elevation of 1.5 metres (4 ft 11 in) above sea level,[14] it is the planet's lowest country.[citation needed] It is also the country with the lowest natural highest point in the world, at 2.4 metres (7 ft 10 in).[14] The government has pledged to make Maldives a carbon-neutral country by 2019 amid concerns about rising sea-levels.[15]