In Slovenia, the volume of passenger transport demand has been increasing over the past few decades. Particularly, the volume of one of the most environmentally burdensome modes of transport – car transportation – has been growing. Its share places Slovenia in an unenviable third place among EU member states where residents rely most heavily on private cars for their journeys. Until the pandemic, the volume of the most environmentally damaging mode of transport, air travel, was also growing rapidly.

Road goods transport has been growing sharply since Slovenia joined the EU, as the volume of tonne-kilometres of the Slovenian transport carriers increased by more than 2,5 times in the period 2004-2019. After the pandemic-related halt, the volume has returned to its previous levels.The growth of freight transport and transit in Slovenia has been constant in road, rail and maritime transport since independence, despite intermediate economic problems in the EU during the recession 2008-2014. The exception is air freight transport, which has stagnated for years after a sharp decline in 2008.

In the last decades, major emissions of air pollutants from transport decreased. However, road transport remains one of the most significant sources of air pollution. In Slovenia in 2020 road transport contributed 38 % to the total emissions of nitrogen oxides. In the period 1990-2020 emissions of substances that cause acidification and emissions of ozone precursors in transport sector declined by 74 % and 77 %. In the period 2000-2020 emissions of particulate matter decreased by 56 %.

Greenhouse gas (GHG) emissions from transport in Slovenia almost tripled between 1986 and 2022. In the EU, GHG emissions from transport also exceed economic growth on average, but significantly less than in Slovenia; in the period 1990-2022, they increased by a quarter in the EU-28. The main source of GHG is mostly road transport, which contributes as much as 99% of all GHG emissions from transport. The majority share of traffic emissions in Slovenia in total GHG emissions and insufficiently effective measures to reduce them hinder Slovenia's efforts to achieve the accepted obligations.

The average age of passenger cars in Slovenia increased from 6.8 years in 1992 to 10.6 years in 2021. The share of passenger cars by age has also changed – every decade from 2001 for around 50 %. On the other hand, the share of passenger cars aged less than three years is decreasing for around 30 % every decade. The shares of other types of vehicles showed more fluctuations during the last two decades and smaller changes in respective shares. However, there are now in general more vehicles older than 12 years and less vehicles aged less than three years.

In 2018, the ecological footprint of Slovenia was 5,37 gha per capita while biocapacity was 2.2 gha. For such a lifestyle 3.39 Earths would be required for the world's population to live within planetary regenerative capacity. This places Slovenia above the average of the EU countries (4.6 gha per capita). The carbon footprint usually accounts for around 60% of the total ecological footprint and therefore needs to receive comparatively more attention. According to consumption categories, housing and personal transportation contribute the most to the ecological footprint in Slovenia.

In 2018, more than half of Slovenia's land area was covered by forests (56% or 58% including shrubland), while other mostly natural vegetation accounted for 3%. Farmland occupied 34% of land area, while slightly less than 4% was artificial land, and less than 1% was water. In the periods 1996–2000, 2000–2006 and 2006–2012, land cover and land use changes were relatively small (they occurred on 0.12%, 0.13% and 0.09% of the entire territory, respectively). In the latest period 2012–2018 land cover and land use changes slightly increase (they occurred on 0,44 % ot the entire territory).

In 2023, Slovenia recorded a decrease in the number and total area of functionally derelict areas (FDAs): 1070 FDAs were registered with a total area of 3225.44 ha. This brings the situation closer to that of 2017, with a decrease of 62 in the number of FDAs and 469.83 ha in total area, compared to 2020.

In Slovenia, built-up areas continue to increase, representing 5.7% of the land use structure in 2023. In the period 2019-2023 built-up areas were predominantly spread to grasslands (42%), forest (18.6%) and the category other (16.1%), with the total built-up area increasing by 1,618.9 ha over this period. Existing data sources in Slovenia have recently made it possible to evaluate the actual loss of land to development.

Water consumption in Slovenia represents a relatively small proportion of the annual gross water outflow from the country. In 2019, the annual WEI+ index was around 3%, and same 3% compared to the periodic average of water availability. The Long-term Annual Average Water Exploitation Index shows a slight decrease, but the trend is not statistically significant.