Heatwaves

An analysis of more than 22,000 health records found rising signs of dehydration, electrolyte imbalance and kidney stress among healthy adults during peak summer months

A record peak demand of 271 GW in May underscores the growing impact of heatwaves, urbanisation and electrification, while raising fresh questions about grid resilience and energy planning

World Environment Day 2026 calls for a new environmentalism that links sustainable growth with inclusion, climate resilience and stronger governance

IMD forecasts widespread rainfall across several regions as the monsoon advances, while heatwave conditions continue to persist in parts of north and central India

Relentless night-time heat puts billions at risk in growing megacities

AI is moving beyond heatwave forecasts into urban planning, healthcare and power management, but experts warn gaps in data, governance and access still remain

Prime Minister Narendra Modi on Sunday urged people to stay hydrated in view of soaring temperatures across the country. In his monthly radio broadcast Mann Ki Baat, he said people should take extra precautions when stepping out in the sun. "With temperatures soaring across much of the country, it is important to take extra care. Stay hydrated. If you need to step out in the sun, do so cautiously and take necessary precautions," he said. "Keep drinking water. Don't forget the guidelines issued by various government departments in this regard either," he said. Prime Minister Modi had on Wednesday last also urged citizens to take maximum precautions as the country is witnessing soaring temperatures, and said staying hydrated is key during such harsh weather. Modi also referred to the king of fruits, saying there is hardly a home where mangoes are not talked about in the summer season. He noted that every region has its own mango and its own aroma. "Hapus or alphonso of Maharashtra

Rain, thunderstorms and hail are forecast across several states on Sunday, bringing respite from the intense summer heat

India has expanded heat action plans and cooling pilots, but weak funding, uneven building-code enforcement and poor city data keep many responses in advisory mode

Prime Minister Narendra Modi on Wednesday urged all Union cabinet ministers to ensure that their respective ministries and departments take necessary steps to mitigate the impact of the prevailing heatwave conditions across the country. Addressing a media briefing after the cabinet meeting, Union Minister Ashvini Vaishnaw said the prime minister stressed the need for a "whole-of-nation" approach to deal with the extreme heat situation. Vaishnaw said the prime minister directed all ministries to take appropriate action to protect people from the heatwave, particularly departments such as health and water resources. "The prime minister said all ministries must take steps to protect people from the heatwave, especially ministries such as health and water resources, and consider what measures can be taken. He was clear that such major challenges should be addressed through a whole-of-nation approach, with the Centre, states and citizens working together," the minister said. Asked about

Indian cities are warming faster at night, turning homes into heat traps and exposing gaps in housing, planning and cooling access as AC demand rises

As extreme heat damages yields, quality and farm incomes without triggering formal crop failure, experts say India's insurance system is struggling to adapt to climate reality

Wet-bulb heat reflects how difficult it becomes for the body to cool itself during humid weather, making prolonged summer exposure increasingly risky

From wet-bulb temperature to heat dome, here are some key heatwave terms everyone should understand during extreme summers

IMD has warned of rising temperatures and persistent heatwave conditions across north and central India, while several eastern and southern states are likely to receive rainfall and thunderstorms

The United Kingdom smashed a century-old temperature record for the second time in 24 hours on Tuesday as a spring heat wave scorches parts of Western Europe, triggering government warnings about risks to life. Several drownings were reported in Britain and France as people tried to cool down. A temperature of 35.1 degrees Celsius (95.2 degrees Fahrenheit) was recorded at London's Kew Gardens, Britain's Met Office weather service said, breaking the 34.8 C (94.6 F) record set a day earlier at Kew. The provisional readings smashed the long-standing record of 32.8 C (91.4 F) set in 1922 and matched in 1944. London also recorded a rare "tropical night", defined as one in which the temperature does not fall below 20 C (68 F). Records also fell in France, where temperatures reached 36 C (97 F) on Monday in the country's southwest and widely remained above 20 C at night. The national weather service, Meteo-France, said a "heat dome", with heat held in place by a high-pressure weather fron

From sleep disruption to rising irritability, doctors say heat stress may quietly affect emotional health and worsen existing mental health conditions

Longer and more intense heatwaves are affecting jobs, farm output, electricity demand and health costs, raising concerns that India may be underestimating their economic impact

Higher heat means increased power consumption, and India has seen demand driven to repeated records, not only during the day but at night, resulting in occasional shortfalls

Extreme heat is pushing up electricity bills, cooling costs and compliance expenses while reducing worker productivity, hitting factories and MSMEs with a rising but hidden cost burden