The Guardian reported that a new UN‑backed study has concluded that even brief periods when global temperatures exceed the Paris Agreement’s 1.5 °C threshold could inflict lasting harm on Earth’s icy regions. The analysis highlights that glaciers and polar ice sheets are vulnerable to significant melting, challenging the notion that overshooting the target is a manageable detour. According to the report, the damage to the cryosphere may be permanent and widespread, suggesting that the world should aim to bring warming back below 1 °C after any inevitable overshoot. This recommendation stems from observations that once ice is lost, it cannot be quickly recovered, making the pursuit of deeper emissions cuts essential. The Guardian further noted that the findings highlight a common misconception that exceeding 1.5 °C—perhaps to 2 °C or 3 °C—could be preferable or tolerable compared with immediate, aggressive emissions reductions. Scientists now stress that such overshooting would lock in irreversible changes to snow and ice cover, with far‑reaching consequences for sea‑level rise and climate stability.
Source: The Guardian.
