Temperature rise Current Affairs - 2019
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International Labour Organization’s (ILO’s) World Employment and Social Outlook Report has that projected increase in surface temperature due to global warming will lead to around 2,59,000 job losses in India by 2030, especially in carbon-and resource-intensive industries.
According to report, global temperature rise of 1.5°C by end of 21st century will result in heat stress, which will reduce total number of working hours by 2030. It will also result in 5.3% rise work loss in percentage of total hours and productivity loss equivalent to 30.8 million full-time jobs. Environmental degradation will affect job opportunities and also affect productivity, reduce total number of working hours.
But the loss of jobs due to global warming will be offset by creation of around 3 million jobs as India moves towards green economy by adopting sustainable practices, including changes in energy mix, projected growth in use of electric vehicles and increase in energy efficiency in existing and future buildings.
Agricultural workers will be worst affected due to temperature rise, accounting for loss of around 64% of working hours lost due to heat stress in India in 2030 in view of physical nature of their work. In India, an estimated 4.2% of total hours worked were lost in 1995 due to high heat levels, representing around 15.1 million full-time jobs. All the sectors except mining industry will experience increase in employment. Renewables sector will experience increase 1.5 million jobs, construction sector will see increase in 466,200 jobs and 285,200 new jobs in services.
According to a study, Parali I island, one of biodiversity-rich uninhabited islands part of Lakshadweep has disappeared due to coastal erosion and another four such islands in Lakshadweep sea are shrinking fast.
The researcher had conducted studies on assessment of biodiversity confining to five uninhabited islands– Parali I, II and III, Bangaram, Thinnakara in Lakshadweep, an archipelago of 36 islands in Lakshadweep sea.
The assessment related to geo-morphological changes associated with each island for period of 45 years was carried out using geospatial techniques such as Remote Sensing (RS) and Geographic Information System (GIS) to confirm the claim.
Parali I island, part of Bangaram atoll which was 0.032 square km in 1968 has been eroded to an extent of 100%, resulting in its inundation. Apart from Parali I, net erosion was higher in Parali II (80%), followed by Thinnakara (14.38%), Parali III (11.42%) and Bangaram (9.968%). The five islets of Bangaram atoll also have undergone coastal erosion.
The study has recommended of a bio protection strategy using mangroves, in addition to the conventional physical protection measures from coastal erosion.
The complete erosion and inundation of Parali I is pointing to gravity of issues associated with coastal erosion within atoll. It calls for urgent measures to be implemented on each islet of the atoll in Lakshadweep sea to check further erosion. Further, due to increasing global temperature because of climate change, islands and coastal areas are facing erosion and inundation due to rising sea levels. India’s coasts and islands, are densely populated, are highly vulnerable. There is urgent need to start preparing for building defenses to protect coastlines and islands as sea levels are predicted to rise further.