Despite warning public on fossil-fuel emissions, 80% of EPA fleet powered by diesel

Research project finds marginalised groups are being ignored and seeks to engage them

New technologies are presenting the sector with substantial choices and opportunities

Bread, fruit, vegetables and salad continue to be the most wasted food in Irish households

Landmark study says such groups tend to be excluded from debates despite bearing brunt of impacts

Fears for alumina extraction facility in Aughinish and its 500 workers, along with hundreds of other local jobs

Move comes after raft of sanctions against Russian companies and individuals

Research Lives: Dr Clare Noone, senior postdoctoral researcher at ICARUS, Maynooth University

We list the top five courses and focus on a sample course from each college featured

Tánaiste assures dairy farmers new carbon budgets won’t put limits on milk production

Environmentalists say Irish seagrass beds need to be comprehensively mapped

Vienna-based International Atomic Energy Agency will hold extraordinary meeting

Gardaí issue appeal as item containing potentially dangerous material is stolen

Sinn Féin bringing Bill to scrap planned increase in levy on home fuels in May

New scheme in US to locate dangerous dams mirrors a similar Irish effort

America Letter: Court already split to 6:3 conservative tilt following Trump presidency

Pollution worries mount among contractors who say task should be done at safest time

State energy firm says allegations ‘appear based on limited understanding’ of market

Second-level pupils can win €500 for themselves and €500 for their school

State company says it shelved proposed projects over environmental licensing delays

Those killed range from a few months to 86 years, with six younger than 18

Rescue efforts continue but authorities say there is little hope of finding survivors

Poll commissioned by EPA reveals 85% of Irish people are worried about climate change

Irish Water takes precautionary measure due to high turbidity at reservoir

Accurate ways to measure carbon in hedgerows are emerging

Three-quarters of respondents to public consultation support low-emission zones

Poor air quality is estimated to cause 1,300 premature deaths annually

UCC study finds online shopping and membership schemes help reduce food waste

State needs to look to trees and their rich capacity to offset fossil fuel emissions

Environmental Protection Agency says health at risk with 20 years needed for solution

A guide to influential representatives from science, academia, business and unions

Michael Viney: Studies suggest positive messages about post-carbon society more effective

Bodies of couple, their 1-year-old daughter and dog found on trail after hike in 43 degrees

After campaign to ban fracking, locals face ‘another carbon-heavy extractive industry’

Breaches uncovered at Wexford and Kildare plants by Environmental Protection Agency audit

Audits completed on 25 largest treatment plants along with ‘refresher training’, – O’Brien

An increasingly vigilant public and punishments might help save this crucial habitat

Spend It Better: These simple devices reduce waterway pollution and provide habitat

Half of country’s water courses in ‘poor or worse’ condition, O’Brien says

Wexford County Council says week-long delay in reporting the problem to both Irish Water and the HSE is under investigation