- Greenhouse gas (GHG)
Net Carbon Dioxide (CO2) emission increased by 3.0% from 3,351 thousand tonnes in 2011 to 3,452 thousand tonnes in 2012. This is mainly due to an increase in the fuel input to produce electricity.
In 2012, the energy industries (electricity) remained the main source of CO2 emissions. They contributed around 61% of the emissions followed by the transport sector (25%) and the manufacturing industries (9%).
- Solid waste
The total amount of solid waste landfilled at Mare Chicose decreased by 6.4% from 414,543 tonnes in 2011 to 387,925 tonnes in 2012.
- Land use
Based on latest available data on land use, sugar cane plantations occupied 39% of the total land area of the Island of Mauritius in 2005; forest, scrubs and grazing lands 25%; and built-up areas another 25%.
Between 2011 and 2012, the effective area under sugar cane cultivation decreased by 4.1% from 59,724 hectares to 57,300 hectares and that under tobacco cultivation dropped by 22.1% from 222 hectares to 173 hectares. On the other hand, area under tea cultivation increased by 2.8% from 651 hectares to 669 hectares.
In 2012, the Island of Mauritius received 3,001 million cubic metres (Mm3) of rainfall, 17.3% lower than in 2011 when 3,627 Mm3 of rainfall were obtained. Total water utilisation was estimated at 800 Mm3 in 2012. The agricultural sector accounted for 46% (365 Mm3) of the water utilised, hydropower 27% (218 Mm3) while the remaining 27% (217 Mm3) was used by the domestic, industrial and tourism sectors.
The number of complaints received by the Pollution Prevention and Control Division of the Ministry of Environment and Sustainable Development decreased from 731 in 2011 to 622 in 2012. The complaints were mainly: noise (20%), air pollution (16%), solid waste (15%), odour (12%) and waste water (11%).