Browse Sustainability Matters Daily’s published articles from newest to oldest. This archive is the chronological route through the site; the topic guide is better when you want a curated starting point.
Explore the main subjects
- Start with the Water hub for filtration, reverse osmosis, softening and household water quality.
- Use the Sustainable Products hub for durability, materials, labels and buying decisions.
- Read the Sustainable Eating guide for food choices, waste and certification.
- Explore what makes a sustainable city for transport, buildings, nature and resilience.
- Learn to test environmental claims with our greenwashing examples.
Recent and legacy reporting
The archive includes current practical guides as well as older culture, education and travel pieces that remain useful to readers. Dates and context matter: follow current official guidance for safety, regulation, tests and fast-changing technology.
Return to the latest articles on the homepage, use the site search for a specific question, or visit Write for Sustainability Matters Daily if you can contribute well-sourced specialist knowledge.
All articles
-
Bamboo Toothbrushes: Benefits, Limits and Disposal
A bamboo toothbrush can reduce the amount of plastic in the handle, but it is not plastic-free unless the bristles, fixings and packaging are also plastic-free. Oral-health performance comes first: use soft bristles, brush correctly and replace the brush when it is worn. Choose specific, verifiable claims rather than assuming that bamboo makes the entire…
-
Avocado Production and Water Scarcity in Chile: What the Evidence Says
Avocado production did not create Chile’s long drought by itself. In the Petorca basin and other dry parts of central Chile, water scarcity reflects a combination of prolonged low rainfall, warming, water allocation rules, intensive irrigation and weak enforcement. Large avocado orchards can intensify that scarcity because they add substantial demand in a water-limited landscape.…
-
Water Coolers: Energy, Hygiene and Buying Guide
The best water cooler is the one that fits the water source, daily demand and cleaning routine without running unnecessary hot or cold functions. Compare bottled, bottom-loading and bottleless dispensers on energy, maintenance, spill risk and total cost rather than on styling alone. A dispenser is not automatically a purifier. A bottleless model treats water…
-
Shower Filters: What They Remove and How to Choose
A shower filter can reduce free chlorine when the exact model is independently certified for that claim. It should not be assumed to soften hard water, remove fluoride, eliminate every metal or treat unsafe water. Choose a shower filter only after defining the problem. A chlorine smell, scale, coloured water and skin irritation can have…
-
How Much Does a Water Filtration System Cost?
A home water-filtration system can cost from roughly US$30 for a simple pitcher or faucet filter to several thousand dollars for professionally installed whole-house treatment. An under-sink filter commonly sits in the hundreds, while a complex whole-house reverse-osmosis system can reach five figures. Those are planning ranges, not quotes. The real cost depends on the…
-
Best Water Distillers: How to Choose the Right One
The best water distiller is one that is certified for the contaminants you need to reduce, produces enough water for your household and can be cleaned safely. Distillation is highly effective for many dissolved minerals, metals and microorganisms, but it is not a universal solution and can use substantial electricity. This guide replaces old unverified…
-
Best Water Filter Pitchers: How to Choose One
Compare Brita Elite, PUR Plus, LifeStraw Home and ZeroWater. Learn which certifications matter and choose the right pitcher for your water.
-
How to Install a Water Softener Safely
A water softener installation connects a pressurised drinking-water line to a resin tank, control valve, brine tank, drain and usually a bypass. Correct sizing, drainage, backflow protection and commissioning matter as much as the pipe connections. Use a licensed plumber where local rules require one or when the work involves unfamiliar pipe materials, drainage, electrical…
-
How to Install a Reverse Osmosis System
An under-sink reverse-osmosis system normally connects to the cold-water line, a dedicated faucet, a storage tank and a drain. Installation is manageable for an experienced DIYer, but plumbing rules, drilling and cross-connection protection vary. Follow the exact manual and use a licensed plumber when local rules or the work require one. Do not start until…
-
Reverse Osmosis Maintenance: Filters, Membrane and Tank
Reverse-osmosis maintenance protects contaminant-reduction performance, flow and hygiene. The correct schedule comes from the exact system manual, feed-water quality and measured performance—not a universal six-month rule. At minimum, track prefilters, postfilters, membrane condition, storage-tank pressure, sanitation, leaks and treated-water quality. Typical maintenance jobs Component or task Why it matters Use this trigger Sediment prefilter Prevents…