by SAVIOUS KWINIKA
JOHANNESBURG, (CAJ News) – CLIMATE change has moved from a future concern to a daily operational reality for Africa’s mining sector.
Across the continent, rising temperatures, unpredictable rainfall and prolonged droughts are disrupting production, threatening worker safety and placing unprecedented strain on already scarce water resources.
For an industry that underpins many national economies, these risks can no longer be treated as exceptional events.
Mining plays a central role in economic stability, employment and export revenue in countries such as South Africa, where it contributes about 6% of gross domestic product (GDP).
When operations are interrupted, the effects ripple far beyond mine gates, slowing economic growth and undermining recovery from shocks.
Unlike sudden crises, climate risks are increasingly predictable, yet they are escalating in frequency and severity.
Extreme weather now forms part of the operating baseline. Mining workers are often exposed to heat stress, flooding and hazardous conditions that compromise productivity and safety.
Global safety research shows that injury risks are higher in mining and quarrying than in many other sectors, a trend intensified by climate volatility and water stress.
Water management sits at the heart of the challenge. Mines must contend not only with scarcity, but with volatility: sudden storm surges, declining water quality and extended dry spells.
During droughts, water shortages disrupt mineral processing, dust suppression and cooling systems, particularly in arid regions.
Conversely, intense rainfall can overwhelm infrastructure, flooding pits, tunnels and waste facilities while creating serious environmental and safety hazards.
Many African mining assets were designed for a more stable climate and no longer meet evolving regulatory or performance standards.
As rainfall, runoff and groundwater inflows increase in variability, outdated infrastructure heightens the risk of contamination, compliance failures and reputational damage.
To remain resilient, mining companies are reassessing their risk profiles and investing in adaptive solutions.
These include upgrading water infrastructure, capturing and storing excess water during wet periods, and adopting circular water practices that support both operations and surrounding communities.
Innovations such as real-time monitoring, closed-loop water systems, renewable energy integration and climate-informed design reviews are gaining momentum.
As climate extremes intensify, engineering resilience through science, infrastructure upgrades and stewardship becomes essential.
– CAJ News