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Bricks That Breathe: Dutch Scientists Use Moss to Cool Buildings

While a concrete wall can heat up to 60 degrees, a moss covered one stays at 30 degrees.

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By Vanshika Gupta

As India struggles every year with heat waves that intensify each year, scientists in the Netherlands have come up with a solution – moss covered bricks that cool buildings naturally, transforming them into vertical ecosystems.

Developed by researchers at TU Delft, the start-up Respyre uses ‘bioreceptive’ concrete: a mixture of recycled concrete designed to grow moss without irrigation or soil. Once it has been set and has been allowed to sprout, the moss flourishes and works as a shield of insulation reducing greenhouse gases as well as encouraging biodiversity.

The results are dramatic. While a concrete wall can heat up to about 60 degrees, a moss covered one stays at 30 degrees. This innovation is essential in cutting down on air conditioning usage, lowering surroundings air temperature, and combating Urban Heat Island (UHI) effect plaguing cities like Mumbai, Delhi, Bengaluru, Chennai and Calcutta. The UHI comes into being when constant running of air-conditioners and other cooling equipment heats up a structure which doesn’t cool down at night. The cities, usually composed of RCC buildings, en up trapping heat, instead of dissipating them.    

Moss is a potential game changer for countries like India which face severe air quality issues. It is not only retains moisture well but also absorbs huge quantities of fine particulates , and provides a habitat for a number of small insects, enabling reintegration of biodiversity in built environments. Since these walls require minimum trimming and watering they much cheaper than their grey counterparts.

Pilot programs in Marineterrein Amsterdam already show promise. With consecutive years of heatwaves and unsparing UHIs across cities which don’t allow things to cool at night, India could benefit from this innovation. With rise in pollution levels and our concrete sprawls, this low- tech disruption might make a huge difference, if adapted to local environment.

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Israel-Lebanon ceasefire to begin within hours as Trump announces 10-day truce

Israel and Lebanon may begin a 10-day ceasefire within hours after a proposal announced by Donald Trump amid ongoing tensions.

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Donald Trump

A temporary halt in hostilities between Israel and Lebanon is expected to begin within hours after US President Donald Trump announced a proposed 10-day ceasefire between the two sides, amid ongoing tensions in the region.

According to his statement, the ceasefire is likely to take effect around 5 p.m. Eastern Time, although independent confirmation from both sides is still awaited.

The development follows discussions involving Israeli Prime Minister Benjamin Netanyahu and Lebanese President Joseph Aoun, with mediation efforts led by the United States.

Officials indicated that the proposed truce is aimed at creating a limited window to reduce violence and potentially pave the way for broader diplomatic engagement. The situation along the Israel-Lebanon border has remained tense in recent weeks, with escalation linked to the activities of Hezbollah.

Diplomatic efforts have intensified in recent days, with discussions facilitated by the United States, including the involvement of US Secretary of State Marco Rubio. However, details of the agreement and the extent of coordination between the parties remain unclear.

The situation remains fluid, and the success of the ceasefire will depend on adherence by all sides involved. The conflict has already led to significant humanitarian and geopolitical consequences, including displacement and disruption in affected areas.

While the proposed ceasefire is being seen as an important step toward de-escalation, broader negotiations involving regional stakeholders are expected to be necessary for any lasting resolution.

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US ends oil sanctions waiver for Iran and Russia, impact likely on India’s energy imports

The US decision to end the Iran and Russia oil waiver may impact India’s oil imports, fuel prices and global energy markets.

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US oil tanker

The United States has decided not to extend a temporary sanctions waiver that allowed limited trade in Iranian and Russian oil, marking a shift towards stricter enforcement of economic restrictions.

The waiver, introduced in March 2026, had permitted the sale of oil already loaded on ships to stabilise global supply during heightened geopolitical tensions. However, it is now set to expire around mid-April without renewal.

US officials have indicated that the move is part of a broader strategy to increase pressure on both Iran and Russia amid ongoing conflicts and geopolitical tensions.

What the waiver did and why it mattered

The short-term waiver allowed millions of barrels of oil—estimated at around 140 million barrels—to enter global markets, helping ease supply shortages and prevent sharp price spikes.

It also enabled countries like India to purchase discounted crude oil from Russia and resume limited imports from Iran after years of restrictions.

Impact on India

India, one of the world’s largest oil importers, is expected to feel the impact of the decision in several ways:

  • Reduced access to discounted oil
    India had been buying cheaper Russian crude and recently resumed Iranian imports under the waiver. Its end may limit these options.
  • Potential rise in fuel costs
    With fewer discounted supplies available, India may need to rely more on costlier sources, which could increase domestic fuel prices.
  • Supply diversification pressure
    India may need to explore alternative suppliers in the Middle East, Africa, or the US to maintain energy security.
  • Geopolitical balancing challenge
    The move adds pressure on India to align with US sanctions while managing its own economic interests.

Global energy market concerns

The end of the waiver comes at a time when global oil markets are already under stress due to conflict in West Asia and disruptions in key routes like the Strait of Hormuz.

Analysts warn that tightening sanctions could:

  • Reduce global oil supply
  • Increase price volatility
  • Intensify competition among major buyers like India and China

Bigger picture

The US decision reflects a broader shift from temporary relief measures to stricter enforcement of sanctions, even if it risks tightening global energy markets.

For India, the development highlights a recurring challenge—balancing affordable energy access with geopolitical realities.

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Sanctioned tanker fails to breach US blockade, turns back near Strait of Hormuz

A US-sanctioned tanker failed to cross the Hormuz blockade and turned back, underscoring rising tensions and disruption in global shipping routes.

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A US-sanctioned oil tanker failed to break through a newly imposed American naval blockade and was forced to turn back near the Strait of Hormuz, highlighting growing tensions in the region.

The vessel, identified as the Rich Starry, reversed its course after attempting to exit the Gulf, according to shipping data. The development comes just days after the United States enforced restrictions on ships linked to Iranian ports.

The blockade was announced by Donald Trump following the collapse of recent diplomatic talks with Iran. The move aims to restrict maritime traffic associated with Iranian trade.

Officials said that during the first 24 hours of enforcement, no vessel successfully crossed the blockade. Several ships, including the sanctioned tanker, complied with instructions from US forces and turned back toward regional waters.

The tanker is reported to be linked to a Chinese company previously sanctioned for dealing with Iran. It was carrying a cargo of methanol loaded from the United Arab Emirates at the time of the incident.

The situation underscores the rising risks in one of the world’s most critical oil transit routes. The Strait of Hormuz typically handles a significant share of global energy shipments, but traffic has sharply declined due to ongoing geopolitical tensions.

The blockade, which applies specifically to vessels travelling to or from Iranian ports, has added further uncertainty for shipping companies, insurers and global energy markets.

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