Post #9567

CLIMATE CHANGE – KEY DATA, STATISTICS & FACTS 🌍 Global Climate Indicators * Global average temperature has increased by ~1.2°C above pre-industrial levels (1850–1900). * 2023 was the hottest year on record, with average temperatures ~1.48°C above pre-industrial levels. * The world is projected to breach the 1.5°C threshold temporarily within this decade if current trends continue. * Atmospheric CO₂ concentration crossed 420 ppm in 2023 (pre-industrial level: ~280 ppm). 🌡 Greenhouse Gas Emissions * Global GHG emissions: ~59 billion tonnes CO₂-equivalent per year. * Top emitters (share of global CO₂ emissions): * China: ~30% * United States: ~14% * India: ~7–8% * Per-capita emissions: * USA: ~14–15 tonnes * China: ~8–9 tonnes * India: ~2 tonnes * Global average: ~4.7 tonnes 🌊 Sea Level Rise * Global mean sea level has risen by ~20 cm since 1900. * Current rate of rise: ~3.7 mm per year, accelerating. * By 2100, sea levels could rise 0.4–1.0 metres, threatening coastal cities and islands. ❄️ Ice & Cryosphere * Arctic sea ice extent declining at ~13% per decade. * Greenland and Antarctic ice sheets together losing ~400 billion tonnes of ice per year. * Himalayan glaciers are retreating rapidly; some studies project 30–50% ice loss by 2100 under high-emission scenarios. 🌧 Extreme Weather Events * Frequency of heatwaves has increased 3–5 times since the 1950s. * Floods, cyclones, droughts are becoming more intense and unpredictable. * Economic losses from climate-related disasters exceed USD 300 billion annually worldwide. * Over 85% of disaster-related deaths occur in low- and middle-income countries. 🇮🇳 Climate Change – India Specific Data Emissions & Responsibility * India is the 3rd largest emitter in absolute terms. * Contributes <4% of historical cumulative emissions despite hosting ~18% of world population. * India’s emissions intensity of GDP reduced by ~33% between 2005 and 2019. Vulnerability * India ranks among the top 10 most climate-vulnerable countries. * 50%+ agriculture is rain-fed and highly climate-sensitive. * Over 600 million Indians face high to extreme water stress. * Heatwaves cause thousands of deaths annually and reduce labour productivity. Agriculture & Food Security * Climate change may reduce India’s crop yields by 10–25% by mid-century. * Wheat yields drop sharply with temperatures above 34°C during grain filling. * Rising temperatures and erratic rainfall threaten food prices and farmer incomes. Coastal & Urban Risk * 7,500 km coastline vulnerable to sea-level rise and cyclones. * Cities like Mumbai, Chennai, Kolkata face high flood risk. * Urban flooding events have increased sharply in the last decade. 🌱 Climate Action & Targets Global * To limit warming to 1.5°C, global emissions must fall by ~43% by 2030 (from 2019 levels). * Net-zero target timelines: * EU, USA: 2050 * China: 2060 * India: 2070 India’s Commitments * Reduce emissions intensity of GDP by 45% by 2030 (from 2005 levels). * Achieve 50% of installed electricity capacity from non-fossil sources by 2030. * Installed renewable energy capacity (2024): ~180 GW (solar, wind, hydro). * Target: 500 GW non-fossil capacity by 2030. ⚠️ Key Gaps & Challenges (Data-Based) * Global emissions still rising, not declining fast enough. * Climate finance gap: developing countries need USD 1–1.3 trillion annually by 2030; current flows far lower. * Adaptation funding accounts for <25% of total climate finance. * Loss & Damage costs for vulnerable countries may reach USD 400–500 billion annually by 2030. ONE-LINE DATA SUMMARY * 1.2°C warming | 420 ppm CO₂ | 59 bn tonnes emissions | 300 bn USD annual losses — defining today’s climate crisis. Useful for GD, Lecturette, & Personal Interview. read more such facts by clicking on #FACTS@ssbclear